/*
- Bacula® - The Network Backup Solution
-
- Copyright (C) 2003-2007 Free Software Foundation Europe e.V.
-
- The main author of Bacula is Kern Sibbald, with contributions from
- many others, a complete list can be found in the file AUTHORS.
- This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
- License as published by the Free Software Foundation plus additions
- that are listed in the file LICENSE.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
-
- Bacula® is a registered trademark of John Walker.
- The licensor of Bacula is the Free Software Foundation Europe
- (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
- Switzerland, email:ftf@fsfeurope.org.
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2015 Kern Sibbald
+ Copyright (C) 2003-2014 Free Software Foundation Europe e.V.
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
*/
/*
* Bacula Catalog Database routines specific to PostgreSQL
* Dan Langille, December 2003
* based upon work done by Kern Sibbald, March 2000
*
- * Version $Id$
+ * Note: at one point, this file was changed to class based by a certain
+ * programmer, and other than "wrapping" in a class, which is a trivial
+ * change for a C++ programmer, nothing substantial was done, yet all the
+ * code was recommitted under this programmer's name. Consequently, we
+ * undo those changes here. Unfortunately, it is too difficult to put
+ * back the original author's name (Dan Langille) on the parts he wrote.
*/
-
-/* The following is necessary so that we do not include
- * the dummy external definition of DB.
- */
-#define __SQL_C /* indicate that this is sql.c */
-
#include "bacula.h"
-#include "cats.h"
#ifdef HAVE_POSTGRESQL
-#include "postgres_ext.h" /* needed for NAMEDATALEN */
+#include "cats.h"
+#include "libpq-fe.h"
+#include "postgres_ext.h" /* needed for NAMEDATALEN */
+#include "pg_config_manual.h" /* get NAMEDATALEN on version 8.3 or later */
+#define __BDB_POSTGRESQL_H_ 1
+#include "bdb_postgresql.h"
+
+#define dbglvl_dbg DT_SQL|100
+#define dbglvl_info DT_SQL|50
+#define dbglvl_err DT_SQL|10
/* -----------------------------------------------------------------------
*
*/
/* List of open databases */
-static BQUEUE db_list = {&db_list, &db_list};
+static dlist *db_list = NULL;
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-/*
- * Retrieve database type
- */
-const char *
-db_get_type(void)
+BDB_POSTGRESQL::BDB_POSTGRESQL()
{
- return "PostgreSQL";
+ BDB_POSTGRESQL *mdb = this;
+
+ if (db_list == NULL) {
+ db_list = New(dlist(mdb, &mdb->m_link));
+ }
+ mdb->m_db_driver_type = SQL_DRIVER_TYPE_POSTGRESQL;
+ mdb->m_db_type = SQL_TYPE_POSTGRESQL;
+ mdb->m_db_driver = bstrdup("PostgreSQL");
+
+ mdb->errmsg = get_pool_memory(PM_EMSG); /* get error message buffer */
+ mdb->errmsg[0] = 0;
+ mdb->cmd = get_pool_memory(PM_EMSG); /* get command buffer */
+ mdb->cached_path = get_pool_memory(PM_FNAME);
+ mdb->cached_path_id = 0;
+ mdb->m_ref_count = 1;
+ mdb->fname = get_pool_memory(PM_FNAME);
+ mdb->path = get_pool_memory(PM_FNAME);
+ mdb->esc_name = get_pool_memory(PM_FNAME);
+ mdb->esc_path = get_pool_memory(PM_FNAME);
+ mdb->esc_obj = get_pool_memory(PM_FNAME);
+ mdb->m_use_fatal_jmsg = true;
+
+ /* Initialize the private members. */
+ mdb->m_db_handle = NULL;
+ mdb->m_result = NULL;
+ mdb->m_buf = get_pool_memory(PM_FNAME);
+
+ db_list->append(this);
+}
+BDB_POSTGRESQL::~BDB_POSTGRESQL()
+{
}
/*
* Initialize database data structure. In principal this should
* never have errors, or it is really fatal.
*/
-B_DB *
-db_init_database(JCR *jcr, const char *db_name, const char *db_user, const char *db_password,
- const char *db_address, int db_port, const char *db_socket,
- int mult_db_connections)
+BDB *db_init_database(JCR *jcr, const char *db_driver, const char *db_name, const char *db_user,
+ const char *db_password, const char *db_address, int db_port, const char *db_socket,
+ const char *db_ssl_key, const char *db_ssl_cert, const char *db_ssl_ca,
+ const char *db_ssl_capath, const char *db_ssl_cipher,
+ bool mult_db_connections, bool disable_batch_insert)
{
- B_DB *mdb;
+ BDB_POSTGRESQL *mdb = NULL;
if (!db_user) {
Jmsg(jcr, M_FATAL, 0, _("A user name for PostgreSQL must be supplied.\n"));
return NULL;
}
P(mutex); /* lock DB queue */
- if (!mult_db_connections) {
- /* Look to see if DB already open */
- for (mdb=NULL; (mdb=(B_DB *)qnext(&db_list, &mdb->bq)); ) {
- if (bstrcmp(mdb->db_name, db_name) &&
- bstrcmp(mdb->db_address, db_address) &&
- mdb->db_port == db_port) {
- Dmsg2(100, "DB REopen %d %s\n", mdb->ref_count, db_name);
- mdb->ref_count++;
- V(mutex);
- return mdb; /* already open */
+ if (db_list && !mult_db_connections) {
+ /*
+ * Look to see if DB already open
+ */
+ foreach_dlist(mdb, db_list) {
+ if (mdb->bdb_match_database(db_driver, db_name, db_address, db_port)) {
+ Dmsg1(dbglvl_info, "DB REopen %s\n", db_name);
+ mdb->increment_refcount();
+ goto get_out;
}
}
}
- Dmsg0(100, "db_open first time\n");
- mdb = (B_DB *)malloc(sizeof(B_DB));
- memset(mdb, 0, sizeof(B_DB));
- mdb->db_name = bstrdup(db_name);
- mdb->db_user = bstrdup(db_user);
+ Dmsg0(dbglvl_info, "db_init_database first time\n");
+ /* Create the global Bacula db context */
+ mdb = New(BDB_POSTGRESQL());
+ if (!mdb) goto get_out;
+
+ /*
+ * Initialize the parent class members.
+ */
+ mdb->m_db_name = bstrdup(db_name);
+ mdb->m_db_user = bstrdup(db_user);
if (db_password) {
- mdb->db_password = bstrdup(db_password);
+ mdb->m_db_password = bstrdup(db_password);
}
if (db_address) {
- mdb->db_address = bstrdup(db_address);
+ mdb->m_db_address = bstrdup(db_address);
}
if (db_socket) {
- mdb->db_socket = bstrdup(db_socket);
- }
- mdb->db_port = db_port;
- mdb->have_insert_id = TRUE;
- mdb->errmsg = get_pool_memory(PM_EMSG); /* get error message buffer */
- *mdb->errmsg = 0;
- mdb->cmd = get_pool_memory(PM_EMSG); /* get command buffer */
- mdb->cached_path = get_pool_memory(PM_FNAME);
- mdb->cached_path_id = 0;
- mdb->ref_count = 1;
- mdb->fname = get_pool_memory(PM_FNAME);
- mdb->path = get_pool_memory(PM_FNAME);
- mdb->esc_name = get_pool_memory(PM_FNAME);
- mdb->esc_path = get_pool_memory(PM_FNAME);
- mdb->allow_transactions = mult_db_connections;
- qinsert(&db_list, &mdb->bq); /* put db in list */
+ mdb->m_db_socket = bstrdup(db_socket);
+ }
+ mdb->m_db_port = db_port;
+
+ if (disable_batch_insert) {
+ mdb->m_disabled_batch_insert = true;
+ mdb->m_have_batch_insert = false;
+ } else {
+ mdb->m_disabled_batch_insert = false;
+#ifdef USE_BATCH_FILE_INSERT
+#if defined(HAVE_POSTGRESQL_BATCH_FILE_INSERT) || defined(HAVE_PQISTHREADSAFE)
+#ifdef HAVE_PQISTHREADSAFE
+ mdb->m_have_batch_insert = PQisthreadsafe();
+#else
+ mdb->m_have_batch_insert = true;
+#endif /* HAVE_PQISTHREADSAFE */
+#else
+ mdb->m_have_batch_insert = true;
+#endif /* HAVE_POSTGRESQL_BATCH_FILE_INSERT || HAVE_PQISTHREADSAFE */
+#else
+ mdb->m_have_batch_insert = false;
+#endif /* USE_BATCH_FILE_INSERT */
+ }
+ mdb->m_allow_transactions = mult_db_connections;
+
+ /* At this time, when mult_db_connections == true, this is for
+ * specific console command such as bvfs or batch mode, and we don't
+ * want to share a batch mode or bvfs. In the future, we can change
+ * the creation function to add this parameter.
+ */
+ mdb->m_dedicated = mult_db_connections;
+
+get_out:
V(mutex);
return mdb;
+}
+
+
+/* Check that the database corresponds to the encoding we want */
+static bool pgsql_check_database_encoding(JCR *jcr, BDB_POSTGRESQL *mdb)
+{
+ SQL_ROW row;
+ int ret = false;
+
+ if (!mdb->sql_query("SELECT getdatabaseencoding()", QF_STORE_RESULT)) {
+ Jmsg(jcr, M_ERROR, 0, "%s", mdb->errmsg);
+ return false;
+ }
+
+ if ((row = mdb->sql_fetch_row()) == NULL) {
+ Mmsg1(mdb->errmsg, _("error fetching row: %s\n"), mdb->sql_strerror());
+ Jmsg(jcr, M_ERROR, 0, "Can't check database encoding %s", mdb->errmsg);
+ } else {
+ ret = bstrcmp(row[0], "SQL_ASCII");
+
+ if (ret) {
+ /* If we are in SQL_ASCII, we can force the client_encoding to SQL_ASCII too */
+ mdb->sql_query("SET client_encoding TO 'SQL_ASCII'");
+
+ } else {
+ /* Something is wrong with database encoding */
+ Mmsg(mdb->errmsg,
+ _("Encoding error for database \"%s\". Wanted SQL_ASCII, got %s\n"),
+ mdb->get_db_name(), row[0]);
+ Jmsg(jcr, M_WARNING, 0, "%s", mdb->errmsg);
+ Dmsg1(dbglvl_err, "%s", mdb->errmsg);
+ }
+ }
+ return ret;
}
/*
* Now actually open the database. This can generate errors,
* which are returned in the errmsg
*
- * DO NOT close the database or free(mdb) here !!!!
+ * DO NOT close the database or delete mdb here !!!!
*/
-int
-db_open_database(JCR *jcr, B_DB *mdb)
+bool BDB_POSTGRESQL::bdb_open_database(JCR *jcr)
{
+ bool retval = false;
int errstat;
char buf[10], *port;
+ BDB_POSTGRESQL *mdb = this;
-#ifdef xxx
- if (!PQisthreadsafe()) {
- Jmsg(jcr, M_ABORT, 0, _("PostgreSQL configuration problem. "
- "PostgreSQL library is not thread safe. Connot continue.\n"));
- }
-#endif
P(mutex);
- if (mdb->connected) {
- V(mutex);
- return 1;
+ if (mdb->m_connected) {
+ retval = true;
+ goto get_out;
}
- mdb->connected = false;
- if ((errstat=rwl_init(&mdb->lock)) != 0) {
+ if ((errstat=rwl_init(&mdb->m_lock)) != 0) {
berrno be;
Mmsg1(&mdb->errmsg, _("Unable to initialize DB lock. ERR=%s\n"),
be.bstrerror(errstat));
- V(mutex);
- return 0;
+ goto get_out;
}
- if (mdb->db_port) {
- bsnprintf(buf, sizeof(buf), "%d", mdb->db_port);
+ if (mdb->m_db_port) {
+ bsnprintf(buf, sizeof(buf), "%d", mdb->m_db_port);
port = buf;
} else {
port = NULL;
/* If connection fails, try at 5 sec intervals for 30 seconds. */
for (int retry=0; retry < 6; retry++) {
/* connect to the database */
- mdb->db = PQsetdbLogin(
- mdb->db_address, /* default = localhost */
+ mdb->m_db_handle = PQsetdbLogin(
+ mdb->m_db_address, /* default = localhost */
port, /* default port */
NULL, /* pg options */
NULL, /* tty, ignored */
- mdb->db_name, /* database name */
- mdb->db_user, /* login name */
- mdb->db_password); /* password */
+ mdb->m_db_name, /* database name */
+ mdb->m_db_user, /* login name */
+ mdb->m_db_password); /* password */
/* If no connect, try once more in case it is a timing problem */
- if (PQstatus(mdb->db) == CONNECTION_OK) {
+ if (PQstatus(mdb->m_db_handle) == CONNECTION_OK) {
break;
}
bmicrosleep(5, 0);
}
- Dmsg0(50, "pg_real_connect done\n");
- Dmsg3(50, "db_user=%s db_name=%s db_password=%s\n", mdb->db_user, mdb->db_name,
- mdb->db_password==NULL?"(NULL)":mdb->db_password);
+ Dmsg0(dbglvl_info, "pg_real_connect done\n");
+ Dmsg3(dbglvl_info, "db_user=%s db_name=%s db_password=%s\n", mdb->m_db_user, mdb->m_db_name,
+ mdb->m_db_password==NULL?"(NULL)":mdb->m_db_password);
- if (PQstatus(mdb->db) != CONNECTION_OK) {
- Mmsg2(&mdb->errmsg, _("Unable to connect to PostgreSQL server.\n"
- "Database=%s User=%s\n"
- "It is probably not running or your password is incorrect.\n"),
- mdb->db_name, mdb->db_user);
- V(mutex);
- return 0;
+ if (PQstatus(mdb->m_db_handle) != CONNECTION_OK) {
+ Mmsg2(&mdb->errmsg, _("Unable to connect to PostgreSQL server. Database=%s User=%s\n"
+ "Possible causes: SQL server not running; password incorrect; max_connections exceeded.\n"),
+ mdb->m_db_name, mdb->m_db_user);
+ goto get_out;
}
- mdb->connected = true;
-
- if (!check_tables_version(jcr, mdb)) {
- V(mutex);
- return 0;
+ mdb->m_connected = true;
+ if (!bdb_check_version(jcr)) {
+ goto get_out;
}
- sql_query(mdb, "SET datestyle TO 'ISO, YMD'");
-
+ sql_query("SET datestyle TO 'ISO, YMD'");
+ sql_query("SET cursor_tuple_fraction=1");
+
+ /*
+ * Tell PostgreSQL we are using standard conforming strings and avoid warnings such as:
+ * WARNING: nonstandard use of \\ in a string literal
+ */
+ sql_query("SET standard_conforming_strings=on");
+
+ /* Check that encoding is SQL_ASCII */
+ pgsql_check_database_encoding(jcr, mdb);
+
+ retval = true;
+
+get_out:
V(mutex);
- return 1;
-}
+ return retval;
+}
-void
-db_close_database(JCR *jcr, B_DB *mdb)
+void BDB_POSTGRESQL::bdb_close_database(JCR *jcr)
{
- if (!mdb) {
- return;
- }
- db_end_transaction(jcr, mdb);
+ BDB_POSTGRESQL *mdb = this;
+
+ if (mdb->m_connected) {
+ bdb_end_transaction(jcr);
+ }
P(mutex);
- sql_free_result(mdb);
- mdb->ref_count--;
- if (mdb->ref_count == 0) {
- qdchain(&mdb->bq);
- if (mdb->connected && mdb->db) {
- sql_close(mdb);
+ mdb->m_ref_count--;
+ if (mdb->m_ref_count == 0) {
+ if (mdb->m_connected) {
+ sql_free_result();
+ }
+ db_list->remove(mdb);
+ if (mdb->m_connected && mdb->m_db_handle) {
+ PQfinish(mdb->m_db_handle);
}
- rwl_destroy(&mdb->lock);
+ if (is_rwl_valid(&mdb->m_lock)) {
+ rwl_destroy(&mdb->m_lock);
+ }
free_pool_memory(mdb->errmsg);
free_pool_memory(mdb->cmd);
free_pool_memory(mdb->cached_path);
free_pool_memory(mdb->path);
free_pool_memory(mdb->esc_name);
free_pool_memory(mdb->esc_path);
- if (mdb->db_name) {
- free(mdb->db_name);
- }
- if (mdb->db_user) {
- free(mdb->db_user);
- }
- if (mdb->db_password) {
- free(mdb->db_password);
+ free_pool_memory(mdb->esc_obj);
+ free_pool_memory(mdb->m_buf);
+ if (mdb->m_db_driver) {
+ free(mdb->m_db_driver);
+ }
+ if (mdb->m_db_name) {
+ free(mdb->m_db_name);
+ }
+ if (mdb->m_db_user) {
+ free(mdb->m_db_user);
+ }
+ if (mdb->m_db_password) {
+ free(mdb->m_db_password);
+ }
+ if (mdb->m_db_address) {
+ free(mdb->m_db_address);
+ }
+ if (mdb->m_db_socket) {
+ free(mdb->m_db_socket);
+ }
+ delete mdb;
+ if (db_list->size() == 0) {
+ delete db_list;
+ db_list = NULL;
}
- if (mdb->db_address) {
- free(mdb->db_address);
- }
- if (mdb->db_socket) {
- free(mdb->db_socket);
- }
- my_postgresql_free_result(mdb);
- free(mdb);
}
V(mutex);
}
-void db_thread_cleanup()
-{ }
+void BDB_POSTGRESQL::bdb_thread_cleanup(void)
+{
+}
/*
- * Return the next unique index (auto-increment) for
- * the given table. Return NULL on error.
+ * Escape strings so PostgreSQL is happy
*
- * For PostgreSQL, NULL causes the auto-increment value
- * to be updated.
+ * len is the length of the old string. Your new
+ * string must be long enough (max 2*old+1) to hold
+ * the escaped output.
*/
-int db_next_index(JCR *jcr, B_DB *mdb, char *table, char *index)
+void BDB_POSTGRESQL::bdb_escape_string(JCR *jcr, char *snew, char *old, int len)
{
- strcpy(index, "NULL");
- return 1;
+ BDB_POSTGRESQL *mdb = this;
+ int failed;
+
+ PQescapeStringConn(mdb->m_db_handle, snew, old, len, &failed);
+ if (failed) {
+ Jmsg(jcr, M_FATAL, 0, _("PQescapeStringConn returned non-zero.\n"));
+ /* failed on encoding, probably invalid multibyte encoding in the source string
+ see PQescapeStringConn documentation for details. */
+ Dmsg0(dbglvl_err, "PQescapeStringConn failed\n");
+ }
}
-
/*
- * Escape strings so that PostgreSQL is happy
+ * Escape binary so that PostgreSQL is happy
*
- * NOTE! len is the length of the old string. Your new
- * string must be long enough (max 2*old+1) to hold
- * the escaped output.
*/
-void
-db_escape_string(char *snew, char *old, int len)
+char *BDB_POSTGRESQL::bdb_escape_object(JCR *jcr, char *old, int len)
{
- PQescapeString(snew, old, len);
+ size_t new_len;
+ unsigned char *obj;
+ BDB_POSTGRESQL *mdb = this;
+
+ mdb->esc_obj[0] = 0;
+ obj = PQescapeByteaConn(mdb->m_db_handle, (unsigned const char *)old, len, &new_len);
+ if (!obj) {
+ Jmsg(jcr, M_FATAL, 0, _("PQescapeByteaConn returned NULL.\n"));
+ } else {
+ mdb->esc_obj = check_pool_memory_size(mdb->esc_obj, new_len+1);
+ memcpy(mdb->esc_obj, obj, new_len);
+ mdb->esc_obj[new_len] = 0;
+ PQfreemem(obj);
+ }
+ return (char *)mdb->esc_obj;
}
/*
- * Submit a general SQL command (cmd), and for each row returned,
- * the sqlite_handler is called with the ctx.
+ * Unescape binary object so that PostgreSQL is happy
+ *
*/
-int db_sql_query(B_DB *mdb, const char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
+void BDB_POSTGRESQL::bdb_unescape_object(JCR *jcr, char *from, int32_t expected_len,
+ POOLMEM **dest, int32_t *dest_len)
{
- SQL_ROW row;
+ size_t new_len;
+ unsigned char *obj;
+
+ if (!from) {
+ *dest[0] = 0;
+ *dest_len = 0;
+ return;
+ }
- Dmsg0(500, "db_sql_query started\n");
+ obj = PQunescapeBytea((unsigned const char *)from, &new_len);
- db_lock(mdb);
- if (sql_query(mdb, query) != 0) {
- Mmsg(mdb->errmsg, _("Query failed: %s: ERR=%s\n"), query, sql_strerror(mdb));
- db_unlock(mdb);
- Dmsg0(500, "db_sql_query failed\n");
- return 0;
+ if (!obj) {
+ Jmsg(jcr, M_FATAL, 0, _("PQunescapeByteaConn returned NULL.\n"));
}
- Dmsg0(500, "db_sql_query succeeded. checking handler\n");
- if (result_handler != NULL) {
- Dmsg0(500, "db_sql_query invoking handler\n");
- if ((mdb->result = sql_store_result(mdb)) != NULL) {
- int num_fields = sql_num_fields(mdb);
+ *dest_len = new_len;
+ *dest = check_pool_memory_size(*dest, new_len+1);
+ memcpy(*dest, obj, new_len);
+ (*dest)[new_len]=0;
- Dmsg0(500, "db_sql_query sql_store_result suceeded\n");
- while ((row = sql_fetch_row(mdb)) != NULL) {
+ PQfreemem(obj);
- Dmsg0(500, "db_sql_query sql_fetch_row worked\n");
- if (result_handler(ctx, num_fields, row))
- break;
- }
+ Dmsg1(dbglvl_info, "obj size: %d\n", *dest_len);
+}
- sql_free_result(mdb);
- }
+/*
+ * Start a transaction. This groups inserts and makes things more efficient.
+ * Usually started when inserting file attributes.
+ */
+void BDB_POSTGRESQL::bdb_start_transaction(JCR *jcr)
+{
+ BDB_POSTGRESQL *mdb = this;
+
+ if (!jcr->attr) {
+ jcr->attr = get_pool_memory(PM_FNAME);
+ }
+ if (!jcr->ar) {
+ jcr->ar = (ATTR_DBR *)malloc(sizeof(ATTR_DBR));
}
- db_unlock(mdb);
- Dmsg0(500, "db_sql_query finished\n");
+ /*
+ * This is turned off because transactions break if
+ * multiple simultaneous jobs are run.
+ */
+ if (!mdb->m_allow_transactions) {
+ return;
+ }
- return 1;
+ bdb_lock();
+ /* Allow only 25,000 changes per transaction */
+ if (mdb->m_transaction && changes > 25000) {
+ bdb_end_transaction(jcr);
+ }
+ if (!mdb->m_transaction) {
+ sql_query("BEGIN"); /* begin transaction */
+ Dmsg0(dbglvl_info, "Start PosgreSQL transaction\n");
+ mdb->m_transaction = true;
+ }
+ bdb_unlock();
}
+void BDB_POSTGRESQL::bdb_end_transaction(JCR *jcr)
+{
+ BDB_POSTGRESQL *mdb = this;
+ if (jcr && jcr->cached_attribute) {
+ Dmsg0(dbglvl_info, "Flush last cached attribute.\n");
+ if (!bdb_create_attributes_record(jcr, jcr->ar)) {
+ Jmsg1(jcr, M_FATAL, 0, _("Attribute create error. %s"), jcr->db->bdb_strerror());
+ }
+ jcr->cached_attribute = false;
+ }
-POSTGRESQL_ROW my_postgresql_fetch_row(B_DB *mdb)
-{
- int j;
- POSTGRESQL_ROW row = NULL; // by default, return NULL
+ if (!mdb->m_allow_transactions) {
+ return;
+ }
- Dmsg0(500, "my_postgresql_fetch_row start\n");
+ bdb_lock();
+ if (mdb->m_transaction) {
+ sql_query("COMMIT"); /* end transaction */
+ mdb->m_transaction = false;
+ Dmsg1(dbglvl_info, "End PostgreSQL transaction changes=%d\n", changes);
+ }
+ changes = 0;
+ bdb_unlock();
+}
- if (mdb->row_number == -1 || mdb->row == NULL) {
- Dmsg1(500, "we have need space of %d bytes\n", sizeof(char *) * mdb->num_fields);
- if (mdb->row != NULL) {
- Dmsg0(500, "my_postgresql_fetch_row freeing space\n");
- free(mdb->row);
- mdb->row = NULL;
- }
+/*
+ * Submit a general SQL command, and for each row returned,
+ * the result_handler is called with the ctx.
+ */
+bool BDB_POSTGRESQL::bdb_big_sql_query(const char *query,
+ DB_RESULT_HANDLER *result_handler,
+ void *ctx)
+{
+ BDB_POSTGRESQL *mdb = this;
+ SQL_ROW row;
+ bool retval = false;
+ bool in_transaction = mdb->m_transaction;
- mdb->row = (POSTGRESQL_ROW) malloc(sizeof(char *) * mdb->num_fields);
+ Dmsg1(dbglvl_info, "db_sql_query starts with '%s'\n", query);
- // now reset the row_number now that we have the space allocated
- mdb->row_number = 0;
+ mdb->errmsg[0] = 0;
+ /* This code handles only SELECT queries */
+ if (strncasecmp(query, "SELECT", 6) != 0) {
+ return bdb_sql_query(query, result_handler, ctx);
}
- // if still within the result set
- if (mdb->row_number < mdb->num_rows) {
- Dmsg2(500, "my_postgresql_fetch_row row number '%d' is acceptable (0..%d)\n", mdb->row_number, mdb->num_rows);
- // get each value from this row
- for (j = 0; j < mdb->num_fields; j++) {
- mdb->row[j] = PQgetvalue(mdb->result, mdb->row_number, j);
- Dmsg2(500, "my_postgresql_fetch_row field '%d' has value '%s'\n", j, mdb->row[j]);
- }
- // increment the row number for the next call
- mdb->row_number++;
+ if (!result_handler) { /* no need of big_query without handler */
+ return false;
+ }
- row = mdb->row;
- } else {
- Dmsg2(500, "my_postgresql_fetch_row row number '%d' is NOT acceptable (0..%d)\n", mdb->row_number, mdb->num_rows);
+ bdb_lock();
+
+ if (!in_transaction) { /* CURSOR needs transaction */
+ sql_query("BEGIN");
}
- Dmsg1(500, "my_postgresql_fetch_row finishes returning %x\n", row);
+ Mmsg(m_buf, "DECLARE _bac_cursor CURSOR FOR %s", query);
- return row;
-}
+ if (!sql_query(mdb->m_buf)) {
+ Mmsg(mdb->errmsg, _("Query failed: %s: ERR=%s\n"), mdb->m_buf, sql_strerror());
+ Dmsg1(dbglvl_err, "%s\n", mdb->errmsg);
+ goto get_out;
+ }
-int my_postgresql_max_length(B_DB *mdb, int field_num) {
- //
- // for a given column, find the max length
- //
- int max_length;
- int i;
- int this_length;
-
- max_length = 0;
- for (i = 0; i < mdb->num_rows; i++) {
- if (PQgetisnull(mdb->result, i, field_num)) {
- this_length = 4; // "NULL"
- } else {
- this_length = cstrlen(PQgetvalue(mdb->result, i, field_num));
+ do {
+ if (!sql_query("FETCH 100 FROM _bac_cursor")) {
+ Mmsg(mdb->errmsg, _("Fetch failed: ERR=%s\n"), sql_strerror());
+ Dmsg1(dbglvl_err, "%s\n", mdb->errmsg);
+ goto get_out;
}
-
- if (max_length < this_length) {
- max_length = this_length;
+ while ((row = sql_fetch_row()) != NULL) {
+ Dmsg1(dbglvl_info, "Fetching %d rows\n", mdb->m_num_rows);
+ if (result_handler(ctx, mdb->m_num_fields, row))
+ break;
}
- }
+ PQclear(mdb->m_result);
+ m_result = NULL;
- return max_length;
-}
+ } while (m_num_rows > 0); /* TODO: Can probably test against 100 */
-POSTGRESQL_FIELD * my_postgresql_fetch_field(B_DB *mdb)
-{
- int i;
-
- Dmsg0(500, "my_postgresql_fetch_field starts\n");
- if (mdb->fields == NULL) {
- Dmsg1(500, "allocating space for %d fields\n", mdb->num_fields);
- mdb->fields = (POSTGRESQL_FIELD *)malloc(sizeof(POSTGRESQL_FIELD) * mdb->num_fields);
-
- for (i = 0; i < mdb->num_fields; i++) {
- Dmsg1(500, "filling field %d\n", i);
- mdb->fields[i].name = PQfname(mdb->result, i);
- mdb->fields[i].max_length = my_postgresql_max_length(mdb, i);
- mdb->fields[i].type = PQftype(mdb->result, i);
- mdb->fields[i].flags = 0;
-
- Dmsg4(500, "my_postgresql_fetch_field finds field '%s' has length='%d' type='%d' and IsNull=%d\n",
- mdb->fields[i].name, mdb->fields[i].max_length, mdb->fields[i].type,
- mdb->fields[i].flags);
- } // end for
- } // end if
-
- // increment field number for the next time around
-
- Dmsg0(500, "my_postgresql_fetch_field finishes\n");
- return &mdb->fields[mdb->field_number++];
-}
+ sql_query("CLOSE _bac_cursor");
-void my_postgresql_data_seek(B_DB *mdb, int row)
-{
- // set the row number to be returned on the next call
- // to my_postgresql_fetch_row
- mdb->row_number = row;
+ Dmsg0(dbglvl_info, "db_big_sql_query finished\n");
+ sql_free_result();
+ retval = true;
+
+get_out:
+ if (!in_transaction) {
+ sql_query("COMMIT"); /* end transaction */
+ }
+
+ bdb_unlock();
+ return retval;
}
-void my_postgresql_field_seek(B_DB *mdb, int field)
+/*
+ * Submit a general SQL command, and for each row returned,
+ * the result_handler is called with the ctx.
+ */
+bool BDB_POSTGRESQL::bdb_sql_query(const char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
{
- mdb->field_number = field;
+ SQL_ROW row;
+ bool retval = true;
+ BDB_POSTGRESQL *mdb = this;
+
+ Dmsg1(dbglvl_info, "db_sql_query starts with '%s'\n", query);
+
+ bdb_lock();
+ mdb->errmsg[0] = 0;
+ if (!sql_query(query, QF_STORE_RESULT)) {
+ Mmsg(mdb->errmsg, _("Query failed: %s: ERR=%s\n"), query, sql_strerror());
+ Dmsg0(dbglvl_err, "db_sql_query failed\n");
+ retval = false;
+ goto get_out;
+ }
+
+ Dmsg0(dbglvl_info, "db_sql_query succeeded. checking handler\n");
+
+ if (result_handler) {
+ Dmsg0(dbglvl_dbg, "db_sql_query invoking handler\n");
+ while ((row = sql_fetch_row())) {
+ Dmsg0(dbglvl_dbg, "db_sql_query sql_fetch_row worked\n");
+ if (result_handler(ctx, mdb->m_num_fields, row))
+ break;
+ }
+ sql_free_result();
+ }
+
+ Dmsg0(dbglvl_info, "db_sql_query finished\n");
+
+get_out:
+ bdb_unlock();
+ return retval;
}
/*
- * Note, if this routine returns 1 (failure), Bacula expects
- * that no result has been stored.
- * This is where QUERY_DB comes with Postgresql.
+ * If this routine returns false (failure), Bacula expects
+ * that no result has been stored.
+ * This is where QueryDB calls to with Postgresql.
*
- * Returns: 0 on success
- * 1 on failure
+ * Returns: true on success
+ * false on failure
*
*/
-int my_postgresql_query(B_DB *mdb, const char *query)
+bool BDB_POSTGRESQL::sql_query(const char *query, int flags)
{
- Dmsg0(500, "my_postgresql_query started\n");
- // We are starting a new query. reset everything.
- mdb->num_rows = -1;
- mdb->row_number = -1;
- mdb->field_number = -1;
+ int i;
+ bool retval = false;
+ BDB_POSTGRESQL *mdb = this;
- if (mdb->result) {
- PQclear(mdb->result); /* hmm, someone forgot to free?? */
- mdb->result = NULL;
- }
+ Dmsg1(dbglvl_info, "sql_query starts with '%s'\n", query);
- Dmsg1(500, "my_postgresql_query starts with '%s'\n", query);
+ /* We are starting a new query. reset everything. */
+ mdb->m_num_rows = -1;
+ mdb->m_row_number = -1;
+ mdb->m_field_number = -1;
- for (int i=0; i < 10; i++) {
- mdb->result = PQexec(mdb->db, query);
- if (mdb->result) {
+ if (mdb->m_result) {
+ PQclear(mdb->m_result); /* hmm, someone forgot to free?? */
+ mdb->m_result = NULL;
+ }
+
+ for (i = 0; i < 10; i++) {
+ mdb->m_result = PQexec(mdb->m_db_handle, query);
+ if (mdb->m_result) {
break;
}
bmicrosleep(5, 0);
}
- if (!mdb->result) {
- Dmsg1(50, "Query failed: %s\n", query);
- goto bail_out;
+ if (!mdb->m_result) {
+ Dmsg1(dbglvl_err, "Query failed: %s\n", query);
+ goto get_out;
}
- mdb->status = PQresultStatus(mdb->result);
- if (mdb->status == PGRES_TUPLES_OK || mdb->status == PGRES_COMMAND_OK) {
- Dmsg1(500, "we have a result\n", query);
+ mdb->m_status = PQresultStatus(mdb->m_result);
+ if (mdb->m_status == PGRES_TUPLES_OK || mdb->m_status == PGRES_COMMAND_OK) {
+ Dmsg0(dbglvl_dbg, "we have a result\n");
- // how many fields in the set?
- mdb->num_fields = (int)PQnfields(mdb->result);
- Dmsg1(500, "we have %d fields\n", mdb->num_fields);
+ /* How many fields in the set? */
+ mdb->m_num_fields = (int)PQnfields(mdb->m_result);
+ Dmsg1(dbglvl_dbg, "we have %d fields\n", mdb->m_num_fields);
- mdb->num_rows = PQntuples(mdb->result);
- Dmsg1(500, "we have %d rows\n", mdb->num_rows);
+ mdb->m_num_rows = PQntuples(mdb->m_result);
+ Dmsg1(dbglvl_dbg, "we have %d rows\n", mdb->m_num_rows);
- mdb->status = 0; /* succeed */
+ mdb->m_row_number = 0; /* we can start to fetch something */
+ mdb->m_status = 0; /* succeed */
+ retval = true;
} else {
- Dmsg1(50, "Result status failed: %s\n", query);
- goto bail_out;
+ Dmsg1(dbglvl_err, "Result status failed: %s\n", query);
+ goto get_out;
}
- Dmsg0(500, "my_postgresql_query finishing\n");
- return mdb->status;
+ Dmsg0(dbglvl_info, "sql_query finishing\n");
+ goto ok_out;
-bail_out:
- Dmsg1(500, "we failed\n", query);
- PQclear(mdb->result);
- mdb->result = NULL;
- mdb->status = 1; /* failed */
- return mdb->status;
-}
+get_out:
+ Dmsg0(dbglvl_err, "we failed\n");
+ PQclear(mdb->m_result);
+ mdb->m_result = NULL;
+ mdb->m_status = 1; /* failed */
+
+ok_out:
+ return retval;
+}
-void my_postgresql_free_result(B_DB *mdb)
+void BDB_POSTGRESQL::sql_free_result(void)
{
- if (mdb->result) {
- PQclear(mdb->result);
- mdb->result = NULL;
+ BDB_POSTGRESQL *mdb = this;
+
+ bdb_lock();
+ if (mdb->m_result) {
+ PQclear(mdb->m_result);
+ mdb->m_result = NULL;
+ }
+ if (mdb->m_rows) {
+ free(mdb->m_rows);
+ mdb->m_rows = NULL;
+ }
+ if (mdb->m_fields) {
+ free(mdb->m_fields);
+ mdb->m_fields = NULL;
+ }
+ mdb->m_num_rows = mdb->m_num_fields = 0;
+ bdb_unlock();
+}
+
+SQL_ROW BDB_POSTGRESQL::sql_fetch_row(void)
+{
+ SQL_ROW row = NULL; /* by default, return NULL */
+ BDB_POSTGRESQL *mdb = this;
+
+ Dmsg0(dbglvl_info, "sql_fetch_row start\n");
+
+ if (mdb->m_num_fields == 0) { /* No field, no row */
+ Dmsg0(dbglvl_err, "sql_fetch_row finishes returning NULL, no fields\n");
+ return NULL;
}
- if (mdb->row) {
- free(mdb->row);
- mdb->row = NULL;
+ if (!mdb->m_rows || mdb->m_rows_size < mdb->m_num_fields) {
+ if (mdb->m_rows) {
+ Dmsg0(dbglvl_dbg, "sql_fetch_row freeing space\n");
+ free(mdb->m_rows);
+ }
+ Dmsg1(dbglvl_dbg, "we need space for %d bytes\n", sizeof(char *) * mdb->m_num_fields);
+ mdb->m_rows = (SQL_ROW)malloc(sizeof(char *) * mdb->m_num_fields);
+ mdb->m_rows_size = mdb->m_num_fields;
+
+ /* Now reset the row_number now that we have the space allocated */
+ mdb->m_row_number = 0;
}
- if (mdb->fields) {
- free(mdb->fields);
- mdb->fields = NULL;
+ /* If still within the result set */
+ if (mdb->m_row_number >= 0 && mdb->m_row_number < mdb->m_num_rows) {
+ Dmsg2(dbglvl_dbg, "sql_fetch_row row number '%d' is acceptable (0..%d)\n", mdb->m_row_number, m_num_rows);
+
+ /* Get each value from this row */
+ for (int j = 0; j < mdb->m_num_fields; j++) {
+ mdb->m_rows[j] = PQgetvalue(mdb->m_result, mdb->m_row_number, j);
+ Dmsg2(dbglvl_dbg, "sql_fetch_row field '%d' has value '%s'\n", j, mdb->m_rows[j]);
+ }
+ mdb->m_row_number++; /* Increment the row number for the next call */
+ row = mdb->m_rows;
+ } else {
+ Dmsg2(dbglvl_dbg, "sql_fetch_row row number '%d' is NOT acceptable (0..%d)\n", mdb->m_row_number, m_num_rows);
}
+
+ Dmsg1(dbglvl_info, "sql_fetch_row finishes returning %p\n", row);
+
+ return row;
}
-int my_postgresql_currval(B_DB *mdb, char *table_name)
+const char *BDB_POSTGRESQL::sql_strerror(void)
{
- // Obtain the current value of the sequence that
- // provides the serial value for primary key of the table.
-
- // currval is local to our session. It is not affected by
- // other transactions.
-
- // Determine the name of the sequence.
- // PostgreSQL automatically creates a sequence using
- // <table>_<column>_seq.
- // At the time of writing, all tables used this format for
- // for their primary key: <table>id
- // Except for basefiles which has a primary key on baseid.
- // Therefore, we need to special case that one table.
-
- // everything else can use the PostgreSQL formula.
-
- char sequence[NAMEDATALEN-1];
- char query [NAMEDATALEN+50];
- PGresult *result;
- int id = 0;
-
+ BDB_POSTGRESQL *mdb = this;
+ return PQerrorMessage(mdb->m_db_handle);
+}
+
+void BDB_POSTGRESQL::sql_data_seek(int row)
+{
+ BDB_POSTGRESQL *mdb = this;
+ /* Set the row number to be returned on the next call to sql_fetch_row */
+ mdb->m_row_number = row;
+}
+
+int BDB_POSTGRESQL::sql_affected_rows(void)
+{
+ BDB_POSTGRESQL *mdb = this;
+ return (unsigned)str_to_int32(PQcmdTuples(mdb->m_result));
+}
+
+uint64_t BDB_POSTGRESQL::sql_insert_autokey_record(const char *query, const char *table_name)
+{
+ uint64_t id = 0;
+ char sequence[NAMEDATALEN-1];
+ char getkeyval_query[NAMEDATALEN+50];
+ PGresult *p_result;
+ BDB_POSTGRESQL *mdb = this;
+
+ /* First execute the insert query and then retrieve the currval. */
+ if (!sql_query(query)) {
+ return 0;
+ }
+
+ mdb->m_num_rows = sql_affected_rows();
+ if (mdb->m_num_rows != 1) {
+ return 0;
+ }
+ mdb->changes++;
+ /*
+ * Obtain the current value of the sequence that
+ * provides the serial value for primary key of the table.
+ *
+ * currval is local to our session. It is not affected by
+ * other transactions.
+ *
+ * Determine the name of the sequence.
+ * PostgreSQL automatically creates a sequence using
+ * <table>_<column>_seq.
+ * At the time of writing, all tables used this format for
+ * for their primary key: <table>id
+ * Except for basefiles which has a primary key on baseid.
+ * Therefore, we need to special case that one table.
+ *
+ * everything else can use the PostgreSQL formula.
+ */
if (strcasecmp(table_name, "basefiles") == 0) {
bstrncpy(sequence, "basefiles_baseid", sizeof(sequence));
} else {
}
bstrncat(sequence, "_seq", sizeof(sequence));
- bsnprintf(query, sizeof(query), "SELECT currval('%s')", sequence);
+ bsnprintf(getkeyval_query, sizeof(getkeyval_query), "SELECT currval('%s')", sequence);
- Dmsg1(500, "my_postgresql_currval invoked with '%s'\n", query);
- for (int i=0; i < 10; i++) {
- result = PQexec(mdb->db, query);
- if (result) {
+ Dmsg1(dbglvl_info, "sql_insert_autokey_record executing query '%s'\n", getkeyval_query);
+ for (int i = 0; i < 10; i++) {
+ p_result = PQexec(mdb->m_db_handle, getkeyval_query);
+ if (p_result) {
break;
}
bmicrosleep(5, 0);
}
- if (!result) {
- Dmsg1(50, "Query failed: %s\n", query);
- goto bail_out;
+ if (!p_result) {
+ Dmsg1(dbglvl_err, "Query failed: %s\n", getkeyval_query);
+ goto get_out;
}
- Dmsg0(500, "exec done");
+ Dmsg0(dbglvl_dbg, "exec done");
- if (PQresultStatus(result) == PGRES_TUPLES_OK) {
- Dmsg0(500, "getting value");
- id = atoi(PQgetvalue(result, 0, 0));
- Dmsg2(500, "got value '%s' which became %d\n", PQgetvalue(result, 0, 0), id);
+ if (PQresultStatus(p_result) == PGRES_TUPLES_OK) {
+ Dmsg0(dbglvl_dbg, "getting value");
+ id = str_to_uint64(PQgetvalue(p_result, 0, 0));
+ Dmsg2(dbglvl_dbg, "got value '%s' which became %d\n", PQgetvalue(p_result, 0, 0), id);
} else {
- Dmsg1(50, "Result status failed: %s\n", query);
- Mmsg1(&mdb->errmsg, _("error fetching currval: %s\n"), PQerrorMessage(mdb->db));
+ Dmsg1(dbglvl_err, "Result status failed: %s\n", getkeyval_query);
+ Mmsg1(&mdb->errmsg, _("error fetching currval: %s\n"), PQerrorMessage(mdb->m_db_handle));
}
-bail_out:
- PQclear(result);
-
+get_out:
+ PQclear(p_result);
return id;
-}
-
-int my_postgresql_batch_start(JCR *jcr, B_DB *mdb)
+}
+
+SQL_FIELD *BDB_POSTGRESQL::sql_fetch_field(void)
+{
+ int max_len;
+ int this_len;
+ BDB_POSTGRESQL *mdb = this;
+
+ Dmsg0(dbglvl_dbg, "sql_fetch_field starts\n");
+
+ if (!mdb->m_fields || mdb->m_fields_size < mdb->m_num_fields) {
+ if (mdb->m_fields) {
+ free(mdb->m_fields);
+ mdb->m_fields = NULL;
+ }
+ Dmsg1(dbglvl_dbg, "allocating space for %d fields\n", mdb->m_num_fields);
+ mdb->m_fields = (SQL_FIELD *)malloc(sizeof(SQL_FIELD) * mdb->m_num_fields);
+ mdb->m_fields_size = mdb->m_num_fields;
+
+ for (int i = 0; i < mdb->m_num_fields; i++) {
+ Dmsg1(dbglvl_dbg, "filling field %d\n", i);
+ mdb->m_fields[i].name = PQfname(mdb->m_result, i);
+ mdb->m_fields[i].type = PQftype(mdb->m_result, i);
+ mdb->m_fields[i].flags = 0;
+
+ /* For a given column, find the max length. */
+ max_len = 0;
+ for (int j = 0; j < mdb->m_num_rows; j++) {
+ if (PQgetisnull(mdb->m_result, j, i)) {
+ this_len = 4; /* "NULL" */
+ } else {
+ this_len = cstrlen(PQgetvalue(mdb->m_result, j, i));
+ }
+
+ if (max_len < this_len) {
+ max_len = this_len;
+ }
+ }
+ mdb->m_fields[i].max_length = max_len;
+
+ Dmsg4(dbglvl_dbg, "sql_fetch_field finds field '%s' has length='%d' type='%d' and IsNull=%d\n",
+ mdb->m_fields[i].name, mdb->m_fields[i].max_length, mdb->m_fields[i].type, mdb->m_fields[i].flags);
+ }
+ }
+
+ /* Increment field number for the next time around */
+ return &mdb->m_fields[mdb->m_field_number++];
+}
+
+bool BDB_POSTGRESQL::sql_field_is_not_null(int field_type)
+{
+ if (field_type == 1) {
+ return true;
+ }
+ return false;
+}
+
+bool BDB_POSTGRESQL::sql_field_is_numeric(int field_type)
+{
+ /*
+ * TEMP: the following is taken from select OID, typname from pg_type;
+ */
+ switch (field_type) {
+ case 20:
+ case 21:
+ case 23:
+ case 700:
+ case 701:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/*
+ * Escape strings so PostgreSQL is happy on COPY
+ *
+ * len is the length of the old string. Your new
+ * string must be long enough (max 2*old+1) to hold
+ * the escaped output.
+ */
+static char *pgsql_copy_escape(char *dest, char *src, size_t len)
+{
+ /* we have to escape \t, \n, \r, \ */
+ char c = '\0' ;
+
+ while (len > 0 && *src) {
+ switch (*src) {
+ case '\n':
+ c = 'n';
+ break;
+ case '\\':
+ c = '\\';
+ break;
+ case '\t':
+ c = 't';
+ break;
+ case '\r':
+ c = 'r';
+ break;
+ default:
+ c = '\0' ;
+ }
+
+ if (c) {
+ *dest = '\\';
+ dest++;
+ *dest = c;
+ } else {
+ *dest = *src;
+ }
+
+ len--;
+ src++;
+ dest++;
+ }
+
+ *dest = '\0';
+ return dest;
+}
+
+bool BDB_POSTGRESQL::sql_batch_start(JCR *jcr)
{
- char *query = "COPY batch FROM STDIN";
-
- Dmsg0(500, "my_postgresql_batch_start started\n");
-
- if (my_postgresql_query(mdb,
- " CREATE TEMPORARY TABLE batch "
- " (fileindex int, "
- " jobid int, "
- " path varchar, "
- " name varchar, "
- " lstat varchar, "
- " md5 varchar)") == 1)
- {
- Dmsg0(500, "my_postgresql_batch_start failed\n");
- return 1;
+ BDB_POSTGRESQL *mdb = this;
+ const char *query = "COPY batch FROM STDIN";
+
+ Dmsg0(dbglvl_info, "sql_batch_start started\n");
+
+ if (!sql_query("CREATE TEMPORARY TABLE batch ("
+ "FileIndex int,"
+ "JobId int,"
+ "Path varchar,"
+ "Name varchar,"
+ "LStat varchar,"
+ "Md5 varchar,"
+ "DeltaSeq smallint)")) {
+ Dmsg0(dbglvl_err, "sql_batch_start failed\n");
+ return false;
}
-
- // We are starting a new query. reset everything.
- mdb->num_rows = -1;
- mdb->row_number = -1;
- mdb->field_number = -1;
- if (mdb->result != NULL) {
- my_postgresql_free_result(mdb);
- }
+ /* We are starting a new query. reset everything. */
+ mdb->m_num_rows = -1;
+ mdb->m_row_number = -1;
+ mdb->m_field_number = -1;
+
+ sql_free_result();
for (int i=0; i < 10; i++) {
- mdb->result = PQexec(mdb->db, query);
- if (mdb->result) {
+ mdb->m_result = PQexec(mdb->m_db_handle, query);
+ if (mdb->m_result) {
break;
}
bmicrosleep(5, 0);
}
- if (!mdb->result) {
- Dmsg1(50, "Query failed: %s\n", query);
- goto bail_out;
+ if (!mdb->m_result) {
+ Dmsg1(dbglvl_err, "Query failed: %s\n", query);
+ goto get_out;
}
- mdb->status = PQresultStatus(mdb->result);
- if (mdb->status == PGRES_COPY_IN) {
- // how many fields in the set?
- mdb->num_fields = (int) PQnfields(mdb->result);
- mdb->num_rows = 0;
- mdb->status = 1;
+ mdb->m_status = PQresultStatus(mdb->m_result);
+ if (mdb->m_status == PGRES_COPY_IN) {
+ /* How many fields in the set? */
+ mdb->m_num_fields = (int) PQnfields(mdb->m_result);
+ mdb->m_num_rows = 0;
+ mdb->m_status = 1;
} else {
- Dmsg1(50, "Result status failed: %s\n", query);
- goto bail_out;
+ Dmsg1(dbglvl_err, "Result status failed: %s\n", query);
+ goto get_out;
}
- Dmsg0(500, "my_postgresql_batch_start finishing\n");
+ Dmsg0(dbglvl_info, "sql_batch_start finishing\n");
- return mdb->status;
+ return true;
-bail_out:
- mdb->status = 0;
- PQclear(mdb->result);
- mdb->result = NULL;
- return mdb->status;
+get_out:
+ Mmsg1(&mdb->errmsg, _("error starting batch mode: %s"), PQerrorMessage(mdb->m_db_handle));
+ mdb->m_status = 0;
+ PQclear(mdb->m_result);
+ mdb->m_result = NULL;
+ return false;
}
-/* set error to something to abort operation */
-int my_postgresql_batch_end(JCR *jcr, B_DB *mdb, const char *error)
+/*
+ * Set error to something to abort the operation
+ */
+bool BDB_POSTGRESQL::sql_batch_end(JCR *jcr, const char *error)
{
int res;
int count=30;
- Dmsg0(500, "my_postgresql_batch_end started\n");
+ PGresult *p_result;
+ BDB_POSTGRESQL *mdb = this;
- if (!mdb) { /* no files ? */
- return 0;
- }
+ Dmsg0(dbglvl_info, "sql_batch_end started\n");
- do {
- res = PQputCopyEnd(mdb->db, error);
+ do {
+ res = PQputCopyEnd(mdb->m_db_handle, error);
} while (res == 0 && --count > 0);
if (res == 1) {
- Dmsg0(500, "ok\n");
- mdb->status = 1;
+ Dmsg0(dbglvl_dbg, "ok\n");
+ mdb->m_status = 0;
}
-
+
if (res <= 0) {
- Dmsg0(500, "we failed\n");
- mdb->status = 0;
- Mmsg1(&mdb->errmsg, _("error ending batch mode: %s\n"), PQerrorMessage(mdb->db));
+ mdb->m_status = 1;
+ Mmsg1(&mdb->errmsg, _("error ending batch mode: %s"), PQerrorMessage(mdb->m_db_handle));
+ Dmsg1(dbglvl_err, "failure %s\n", errmsg);
+ }
+
+ /* Check command status and return to normal libpq state */
+ p_result = PQgetResult(mdb->m_db_handle);
+ if (PQresultStatus(p_result) != PGRES_COMMAND_OK) {
+ Mmsg1(&mdb->errmsg, _("error ending batch mode: %s"), PQerrorMessage(mdb->m_db_handle));
+ mdb->m_status = 1;
}
-
- Dmsg0(500, "my_postgresql_batch_end finishing\n");
- return mdb->status;
+ /* Get some statistics to compute the best plan */
+ sql_query("ANALYZE batch");
+
+ PQclear(p_result);
+
+ Dmsg0(dbglvl_info, "sql_batch_end finishing\n");
+ return true;
}
-int my_postgresql_batch_insert(JCR *jcr, B_DB *mdb, ATTR_DBR *ar)
+bool BDB_POSTGRESQL::sql_batch_insert(JCR *jcr, ATTR_DBR *ar)
{
int res;
int count=30;
size_t len;
- char *digest;
+ const char *digest;
char ed1[50];
+ BDB_POSTGRESQL *mdb = this;
- mdb->esc_name = check_pool_memory_size(mdb->esc_name, mdb->fnl*2+1);
- my_postgresql_copy_escape(mdb->esc_name, mdb->fname, mdb->fnl);
+ mdb->esc_name = check_pool_memory_size(mdb->esc_name, fnl*2+1);
+ pgsql_copy_escape(mdb->esc_name, fname, fnl);
- mdb->esc_path = check_pool_memory_size(mdb->esc_path, mdb->pnl*2+1);
- my_postgresql_copy_escape(mdb->esc_path, mdb->path, mdb->pnl);
+ mdb->esc_path = check_pool_memory_size(mdb->esc_path, pnl*2+1);
+ pgsql_copy_escape(mdb->esc_path, path, pnl);
if (ar->Digest == NULL || ar->Digest[0] == 0) {
digest = "0";
digest = ar->Digest;
}
- len = Mmsg(mdb->cmd, "%u\t%s\t%s\t%s\t%s\t%s\n",
- ar->FileIndex, edit_int64(ar->JobId, ed1), mdb->esc_path,
- mdb->esc_name, ar->attr, digest);
+ len = Mmsg(mdb->cmd, "%u\t%s\t%s\t%s\t%s\t%s\t%u\n",
+ ar->FileIndex, edit_int64(ar->JobId, ed1), mdb->esc_path,
+ mdb->esc_name, ar->attr, digest, ar->DeltaSeq);
- do {
- res = PQputCopyData(mdb->db,
- mdb->cmd,
- len);
+ do {
+ res = PQputCopyData(mdb->m_db_handle, mdb->cmd, len);
} while (res == 0 && --count > 0);
if (res == 1) {
- Dmsg0(500, "ok\n");
+ Dmsg0(dbglvl_dbg, "ok\n");
mdb->changes++;
- mdb->status = 1;
+ mdb->m_status = 1;
}
if (res <= 0) {
- Dmsg0(500, "we failed\n");
- mdb->status = 0;
- Mmsg1(&mdb->errmsg, _("error ending batch mode: %s\n"), PQerrorMessage(mdb->db));
+ mdb->m_status = 0;
+ Mmsg1(&mdb->errmsg, _("error copying in batch mode: %s"), PQerrorMessage(mdb->m_db_handle));
+ Dmsg1(dbglvl_err, "failure %s\n", mdb->errmsg);
}
- Dmsg0(500, "my_postgresql_batch_insert finishing\n");
-
- return mdb->status;
-}
-
-/*
- * Escape strings so that PostgreSQL is happy on COPY
- *
- * NOTE! len is the length of the old string. Your new
- * string must be long enough (max 2*old+1) to hold
- * the escaped output.
- */
-char *my_postgresql_copy_escape(char *dest, char *src, size_t len)
-{
- /* we have to escape \t, \n, \r, \ */
- char c = '\0' ;
-
- while (len > 0 && *src) {
- switch (*src) {
- case '\n':
- c = 'n';
- break;
- case '\\':
- c = '\\';
- break;
- case '\t':
- c = 't';
- break;
- case '\r':
- c = 'r';
- break;
- default:
- c = '\0' ;
- }
-
- if (c) {
- *dest = '\\';
- dest++;
- *dest = c;
- } else {
- *dest = *src;
- }
-
- len--;
- src++;
- dest++;
- }
+ Dmsg0(dbglvl_info, "sql_batch_insert finishing\n");
- *dest = '\0';
- return dest;
+ return true;
}
-char *my_pg_batch_lock_path_query = "BEGIN; LOCK TABLE Path IN SHARE ROW EXCLUSIVE MODE";
-
-
-char *my_pg_batch_lock_filename_query = "BEGIN; LOCK TABLE Filename IN SHARE ROW EXCLUSIVE MODE";
-
-char *my_pg_batch_unlock_tables_query = "COMMIT";
-
-char *my_pg_batch_fill_path_query = "INSERT INTO Path (Path) "
- " SELECT a.Path FROM "
- " (SELECT DISTINCT Path FROM batch) AS a "
- " WHERE NOT EXISTS (SELECT Path FROM Path WHERE Path = a.Path) ";
-
-char *my_pg_batch_fill_filename_query = "INSERT INTO Filename (Name) "
- " SELECT a.Name FROM "
- " (SELECT DISTINCT Name FROM batch) as a "
- " WHERE NOT EXISTS "
- " (SELECT Name FROM Filename WHERE Name = a.Name)";
#endif /* HAVE_POSTGRESQL */
projects / bacula / bacula / blobdiff