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In pg_upgrade, dump each database separately and use

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--single-transaction to restore each database schema.  This yields
performance improvements for databases with many tables.  Also, remove
split_old_dump() as it is no longer needed.
This commit is contained in:
Bruce Momjian
2012-11-30 16:30:13 -05:00
parent bd9c8e741b
commit 12ee6ec71f
8 changed files with 85 additions and 106 deletions
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9
contrib/pg_upgrade/pg_upgrade.h
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@ -29,10 +29,9 @@
#define OVERWRITE_MESSAGE " %-" MESSAGE_WIDTH "." MESSAGE_WIDTH "s\r"
#define GET_MAJOR_VERSION(v) ((v) / 100)
#define ALL_DUMP_FILE "pg_upgrade_dump_all.sql"
/* contains both global db information and CREATE DATABASE commands */
#define GLOBALS_DUMP_FILE "pg_upgrade_dump_globals.sql"
#define DB_DUMP_FILE "pg_upgrade_dump_db.sql"
#define DB_DUMP_FILE_MASK "pg_upgrade_dump_%u.custom"
#define SERVER_LOG_FILE "pg_upgrade_server.log"
#define RESTORE_LOG_FILE "pg_upgrade_restore.log"
@ -296,12 +295,12 @@ extern OSInfo os_info;
/* check.c */
void output_check_banner(bool *live_check);
void check_old_cluster(bool live_check,
void check_and_dump_old_cluster(bool live_check,
char **sequence_script_file_name);
void check_new_cluster(void);
void report_clusters_compatible(void);
void issue_warnings(char *sequence_script_file_name);
void output_completion_banner(char *analyze_script_file_name,
void output_completion_banner(char *analyze_script_file_name,
char *deletion_script_file_name);
void check_cluster_versions(void);
void check_cluster_compatibility(bool live_check);
@ -319,7 +318,6 @@ void disable_old_cluster(void);
/* dump.c */
void generate_old_dump(void);
void split_old_dump(void);
/* exec.c */
@ -433,6 +431,7 @@ __attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
void
pg_log(eLogType type, char *fmt,...)
__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
void end_progress_output(void);
void
prep_status(const char *fmt,...)
__attribute__((format(PG_PRINTF_ATTRIBUTE, 1, 2)));