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https://github.com/postgres/postgres.git
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Restructure the pg_upgrade code to use several global structures rather
than packing everything into 'ctx' and passing that to every function.
This commit is contained in:
Bruce Momjian
@ -53,6 +53,8 @@
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#endif
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#define CLUSTERNAME(cluster) ((cluster) == CLUSTER_OLD ? "old" : "new")
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#define ACTIVE_CLUSTER(cluster) (((cluster) == CLUSTER_OLD) ? \
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&old_cluster : &new_cluster)
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#define atooid(x) ((Oid) strtoul((x), NULL, 10))
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@ -83,8 +85,8 @@ typedef struct
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*/
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typedef struct
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{
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Oid old; /* Relfilenode of the old relation */
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Oid new; /* Relfilenode of the new relation */
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Oid old_relfilenode; /* Relfilenode of the old relation */
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Oid new_relfilenode; /* Relfilenode of the new relation */
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char old_file[MAXPGPATH];
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char new_file[MAXPGPATH];
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char old_nspname[NAMEDATALEN]; /* old name of the namespace */
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@ -194,15 +196,34 @@ typedef struct
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/*
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* migratorContext
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*
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* We create a migratorContext object to store all of the information
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* that we need to migrate a single cluster.
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* Log
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*/
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typedef struct
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{
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char *filename; /* name of log file (may be /dev/null) */
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FILE *fd; /* log FILE */
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bool debug; /* TRUE -> log more information */
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FILE *debug_fd; /* debug-level log FILE */
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bool verbose; /* TRUE -> be verbose in messages */
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} Log;
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/*
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* UserOpts
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*/
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typedef struct
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{
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bool check; /* TRUE -> ask user for permission to make
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* changes */
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transferMode transfer_mode; /* copy files or link them? */
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} UserOpts;
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/*
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* OSInfo
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*/
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typedef struct
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{
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ClusterInfo old,
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new; /* old and new cluster information */
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const char *progname; /* complete pathname for this program */
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char *exec_path; /* full path to my executable */
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char *user; /* username for clusters */
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@ -213,61 +234,55 @@ typedef struct
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int num_libraries;
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pgpid_t postmasterPID; /* PID of currently running postmaster */
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Cluster running_cluster;
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char *logfile; /* name of log file (may be /dev/null) */
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FILE *log_fd; /* log FILE */
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FILE *debug_fd; /* debug-level log FILE */
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bool check; /* TRUE -> ask user for permission to make
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* changes */
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bool verbose; /* TRUE -> be verbose in messages */
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bool debug; /* TRUE -> log more information */
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transferMode transfer_mode; /* copy files or link them? */
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} migratorContext;
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} OSInfo;
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/*
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* Global variables
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*/
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extern Log log;
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extern UserOpts user_opts;
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extern ClusterInfo old_cluster, new_cluster;
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extern OSInfo os_info;
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extern char scandir_file_pattern[];
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/* check.c */
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void output_check_banner(migratorContext *ctx, bool *live_check);
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void check_old_cluster(migratorContext *ctx, bool live_check,
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void output_check_banner(bool *live_check);
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void check_old_cluster(bool live_check,
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char **sequence_script_file_name);
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void check_new_cluster(migratorContext *ctx);
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void report_clusters_compatible(migratorContext *ctx);
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void issue_warnings(migratorContext *ctx,
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void check_new_cluster(void);
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void report_clusters_compatible(void);
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void issue_warnings(
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char *sequence_script_file_name);
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void output_completion_banner(migratorContext *ctx,
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void output_completion_banner(
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char *deletion_script_file_name);
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void check_cluster_versions(migratorContext *ctx);
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void check_cluster_compatibility(migratorContext *ctx, bool live_check);
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void create_script_for_old_cluster_deletion(migratorContext *ctx,
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char **deletion_script_file_name);
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void check_cluster_versions(void);
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void check_cluster_compatibility(bool live_check);
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void create_script_for_old_cluster_deletion(char **deletion_script_file_name);
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/* controldata.c */
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void get_control_data(migratorContext *ctx, ClusterInfo *cluster, bool live_check);
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void check_control_data(migratorContext *ctx, ControlData *oldctrl,
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void get_control_data(ClusterInfo *cluster, bool live_check);
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void check_control_data(ControlData *oldctrl,
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ControlData *newctrl);
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/* dump.c */
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void generate_old_dump(migratorContext *ctx);
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void split_old_dump(migratorContext *ctx);
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void generate_old_dump(void);
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void split_old_dump(void);
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/* exec.c */
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int exec_prog(migratorContext *ctx, bool throw_error,
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int exec_prog(bool throw_error,
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const char *cmd,...);
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void verify_directories(migratorContext *ctx);
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bool is_server_running(migratorContext *ctx, const char *datadir);
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void rename_old_pg_control(migratorContext *ctx);
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void verify_directories(void);
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bool is_server_running(const char *datadir);
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void rename_old_pg_control(void);
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/* file.c */
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@ -296,88 +311,85 @@ typedef struct
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pluginShutdown shutdown; /* Pointer to plugin's shutdown function */
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} pageCnvCtx;
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const char *setupPageConverter(migratorContext *ctx, pageCnvCtx **result);
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const char *setupPageConverter(pageCnvCtx **result);
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#else
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/* dummy */
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typedef void *pageCnvCtx;
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#endif
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int dir_matching_filenames(const struct dirent * scan_ent);
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int pg_scandir(migratorContext *ctx, const char *dirname,
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int pg_scandir(const char *dirname,
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struct dirent *** namelist,
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int (*selector) (const struct dirent *));
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const char *copyAndUpdateFile(migratorContext *ctx,
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const char *copyAndUpdateFile(
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pageCnvCtx *pageConverter, const char *src,
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const char *dst, bool force);
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const char *linkAndUpdateFile(migratorContext *ctx,
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const char *linkAndUpdateFile(
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pageCnvCtx *pageConverter, const char *src, const char *dst);
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void check_hard_link(migratorContext *ctx);
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void check_hard_link(void);
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/* function.c */
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void install_support_functions(migratorContext *ctx);
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void uninstall_support_functions(migratorContext *ctx);
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void get_loadable_libraries(migratorContext *ctx);
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void check_loadable_libraries(migratorContext *ctx);
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void install_support_functions(void);
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void uninstall_support_functions(void);
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void get_loadable_libraries(void);
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void check_loadable_libraries(void);
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/* info.c */
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FileNameMap *gen_db_file_maps(migratorContext *ctx, DbInfo *old_db,
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FileNameMap *gen_db_file_maps(DbInfo *old_db,
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DbInfo *new_db, int *nmaps, const char *old_pgdata,
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const char *new_pgdata);
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void get_db_and_rel_infos(migratorContext *ctx, DbInfoArr *db_arr,
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void get_db_and_rel_infos(DbInfoArr *db_arr,
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Cluster whichCluster);
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DbInfo *dbarr_lookup_db(DbInfoArr *db_arr, const char *db_name);
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void dbarr_free(DbInfoArr *db_arr);
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void print_maps(migratorContext *ctx, FileNameMap *maps, int n,
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void print_maps(FileNameMap *maps, int n,
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const char *dbName);
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/* option.c */
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void parseCommandLine(migratorContext *ctx, int argc, char *argv[]);
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void parseCommandLine(int argc, char *argv[]);
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/* relfilenode.c */
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void get_pg_database_relfilenode(migratorContext *ctx, Cluster whichCluster);
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const char *transfer_all_new_dbs(migratorContext *ctx, DbInfoArr *olddb_arr,
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void get_pg_database_relfilenode(Cluster whichCluster);
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const char *transfer_all_new_dbs(DbInfoArr *olddb_arr,
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DbInfoArr *newdb_arr, char *old_pgdata, char *new_pgdata);
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/* tablespace.c */
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void init_tablespaces(migratorContext *ctx);
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void init_tablespaces(void);
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/* server.c */
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PGconn *connectToServer(migratorContext *ctx, const char *db_name,
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PGconn *connectToServer(const char *db_name,
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Cluster whichCluster);
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PGresult *executeQueryOrDie(migratorContext *ctx, PGconn *conn,
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PGresult *executeQueryOrDie(PGconn *conn,
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const char *fmt,...);
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void start_postmaster(migratorContext *ctx, Cluster whichCluster, bool quiet);
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void stop_postmaster(migratorContext *ctx, bool fast, bool quiet);
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uint32 get_major_server_version(migratorContext *ctx, char **verstr,
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void start_postmaster(Cluster whichCluster, bool quiet);
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void stop_postmaster(bool fast, bool quiet);
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uint32 get_major_server_version(char **verstr,
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Cluster whichCluster);
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void check_for_libpq_envvars(migratorContext *ctx);
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void check_for_libpq_envvars(void);
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/* util.c */
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void exit_nicely(migratorContext *ctx, bool need_cleanup);
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void *pg_malloc(migratorContext *ctx, int n);
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void pg_free(void *p);
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char *pg_strdup(migratorContext *ctx, const char *s);
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char *quote_identifier(migratorContext *ctx, const char *s);
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int get_user_info(migratorContext *ctx, char **user_name);
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void check_ok(migratorContext *ctx);
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void report_status(migratorContext *ctx, eLogType type, const char *fmt,...);
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void pg_log(migratorContext *ctx, eLogType type, char *fmt,...);
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void prep_status(migratorContext *ctx, const char *fmt,...);
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void check_ok(migratorContext *ctx);
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char *pg_strdup(migratorContext *ctx, const char *s);
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void *pg_malloc(migratorContext *ctx, int size);
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void exit_nicely(bool need_cleanup);
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char *quote_identifier(const char *s);
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int get_user_info(char **user_name);
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void check_ok(void);
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void report_status(eLogType type, const char *fmt,...);
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void pg_log(eLogType type, char *fmt,...);
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void prep_status(const char *fmt,...);
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void check_ok(void);
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char *pg_strdup(const char *s);
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void *pg_malloc(int size);
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void pg_free(void *ptr);
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const char *getErrorText(int errNum);
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unsigned int str2uint(const char *str);
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@ -385,20 +397,17 @@ unsigned int str2uint(const char *str);
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/* version.c */
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void new_9_0_populate_pg_largeobject_metadata(migratorContext *ctx,
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void new_9_0_populate_pg_largeobject_metadata(
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bool check_mode, Cluster whichCluster);
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/* version_old_8_3.c */
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void old_8_3_check_for_name_data_type_usage(migratorContext *ctx,
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Cluster whichCluster);
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void old_8_3_check_for_tsquery_usage(migratorContext *ctx,
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Cluster whichCluster);
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void old_8_3_rebuild_tsvector_tables(migratorContext *ctx,
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bool check_mode, Cluster whichCluster);
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void old_8_3_invalidate_hash_gin_indexes(migratorContext *ctx,
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bool check_mode, Cluster whichCluster);
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void old_8_3_invalidate_bpchar_pattern_ops_indexes(migratorContext *ctx,
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bool check_mode, Cluster whichCluster);
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char *old_8_3_create_sequence_script(migratorContext *ctx,
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Cluster whichCluster);
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void old_8_3_check_for_name_data_type_usage(Cluster whichCluster);
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void old_8_3_check_for_tsquery_usage(Cluster whichCluster);
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void old_8_3_rebuild_tsvector_tables(bool check_mode,
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Cluster whichCluster);
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void old_8_3_invalidate_hash_gin_indexes(bool check_mode,
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Cluster whichCluster);
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void old_8_3_invalidate_bpchar_pattern_ops_indexes(bool check_mode,
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Cluster whichCluster);
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char *old_8_3_create_sequence_script(Cluster whichCluster);
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