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Diffstat (limited to 'src/bin/pg_dump/pg_dump.c')
-rw-r--r--src/bin/pg_dump/pg_dump.c312
1 files changed, 202 insertions, 110 deletions
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 9ef8f8f35e8..a25450e31f9 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -20,12 +20,18 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.1.1.1 1996/07/09 06:22:14 scrappy Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.2 1996/07/12 05:39:35 scrappy Exp $
+ *
+ * Modifications - 6/10/96 - dave@bensoft.com
+ *
+ * Applied 'insert string' patch from "Marc G. Fournier" <scrappy@ki.net>
+ * Added '-t table' option
+ * Added '-a' option
+ * Added '-da' option
*
*-------------------------------------------------------------------------
*/
-
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -47,6 +53,8 @@ int g_verbose; /* verbose flag */
int g_last_builtin_oid; /* value of the last builtin oid */
FILE *g_fout; /* the script file */
PGconn *g_conn; /* the database connection */
+int dumpData; /* dump data using proper insert strings */
+int attrNames; /* put attr names into insert strings */
char g_opaque_type[10]; /* name for the opaque type */
@@ -60,10 +68,14 @@ usage(char* progname)
{
fprintf(stderr, "usage: %s [options] [dbname]\n",progname);
fprintf(stderr, "\t -f filename \t\t script output filename\n");
+ fprintf(stderr, "\t -d[a] \t\t dump data as proper insert strings\n");
+ fprintf(stderr, "\t \t\t (if 'a' then attribute names also)\n");
fprintf(stderr, "\t -H hostname \t\t server host name\n");
fprintf(stderr, "\t -p port \t\t server port number\n");
fprintf(stderr, "\t -v \t\t verbose\n");
fprintf(stderr, "\t -S \t\t dump out only the schema, no data\n");
+ fprintf(stderr, "\t -a \t\t dump out only the data, no schema\n");
+ fprintf(stderr, "\t -t table \t\t dump for this table only\n");
fprintf(stderr, "\n if dbname is not supplied, then the DATABASE environment name is used\n");
fprintf(stderr, "\n");
@@ -89,25 +101,28 @@ main(int argc, char** argv)
char* filename;
char* dbname;
int schemaOnly;
+ int dataOnly;
char *pghost = NULL;
char *pgport = NULL;
+ char *tablename;
TableInfo *tblinfo;
int numTables;
dbname = NULL;
filename = NULL;
+ tablename = NULL;
g_verbose = 0;
strcpy(g_comment_start,"-- ");
g_comment_end[0] = '\0';
strcpy(g_opaque_type, "opaque");
- schemaOnly = 0;
+ dataOnly = schemaOnly = dumpData = attrNames = 0;
progname = *argv;
- while ((c = getopt(argc, argv,"f:H:p:vSD")) != EOF) {
+ while ((c = getopt(argc, argv,"f:H:p:t:vSDd:a")) != EOF) {
switch(c) {
case 'f': /* output file name */
filename = optarg;
@@ -124,6 +139,16 @@ main(int argc, char** argv)
case 'S': /* dump schema only */
schemaOnly = 1;
break;
+ case 'd': /* dump data as proper insert strings */
+ dumpData = 1;
+ attrNames = strstr(optarg,"a") ? 1 : 0;
+ break;
+ case 't': /* Dump data for this table only */
+ tablename = optarg;
+ break;
+ case 'a': /* Dump data only */
+ dataOnly = 1;
+ break;
default:
usage(progname);
break;
@@ -159,18 +184,25 @@ main(int argc, char** argv)
g_last_builtin_oid = findLastBuiltinOid();
+ if (!dataOnly) {
+
if (g_verbose)
fprintf(stderr, "%s last builtin oid is %d %s\n",
g_comment_start, g_last_builtin_oid, g_comment_end);
- tblinfo = dumpSchema(g_fout, &numTables);
+ tblinfo = dumpSchema(g_fout, &numTables, tablename);
+
+ }
+ else {
+ tblinfo = dumpSchema(NULL, &numTables, tablename);
+ }
if (!schemaOnly) {
if (g_verbose) fprintf(stderr,"%s dumping out the contents of each table %s\n",
g_comment_start, g_comment_end);
- dumpClasses(tblinfo, numTables, g_fout);
+ dumpClasses(tblinfo, numTables, g_fout, tablename);
}
fflush(g_fout);
@@ -1135,10 +1167,10 @@ dumpAggs(FILE* fout, AggInfo* agginfo, int numAggs,
* dumpTables:
* write out to fout all the user-define tables
*/
-void
-dumpTables(FILE* fout, TableInfo *tblinfo, int numTables,
+
+void dumpTables(FILE* fout, TableInfo *tblinfo, int numTables,
InhInfo *inhinfo, int numInherits,
- TypeInfo *tinfo, int numTypes)
+ TypeInfo *tinfo, int numTypes, char *tablename)
{
int i,j,k;
char q[MAXQUERYLEN];
@@ -1149,59 +1181,62 @@ dumpTables(FILE* fout, TableInfo *tblinfo, int numTables,
for (i=0;i<numTables;i++) {
- /* skip archive names*/
- if (isArchiveName(tblinfo[i].relname))
- continue;
-
- parentRels = tblinfo[i].parentRels;
- numParents = tblinfo[i].numParents;
-
- sprintf(q, "CREATE TABLE %s (", tblinfo[i].relname);
- actual_atts = 0;
- for (j=0;j<tblinfo[i].numatts;j++) {
- if (tblinfo[i].inhAttrs[j] == 0) {
- sprintf(q, "%s%s%s %s",
- q,
- (actual_atts > 0) ? ", " : "",
- tblinfo[i].attnames[j],
- tblinfo[i].typnames[j]);
- actual_atts++;
+ if (!tablename || (!strcmp(tblinfo[i].relname,tablename))) {
+
+ /* skip archive names*/
+ if (isArchiveName(tblinfo[i].relname))
+ continue;
+
+ parentRels = tblinfo[i].parentRels;
+ numParents = tblinfo[i].numParents;
+
+ sprintf(q, "CREATE TABLE %s (", tblinfo[i].relname);
+ actual_atts = 0;
+ for (j=0;j<tblinfo[i].numatts;j++) {
+ if (tblinfo[i].inhAttrs[j] == 0) {
+ sprintf(q, "%s%s%s %s",
+ q,
+ (actual_atts > 0) ? ", " : "",
+ tblinfo[i].attnames[j],
+ tblinfo[i].typnames[j]);
+ actual_atts++;
+ }
}
- }
- strcat(q,")");
+ strcat(q,")");
- if (numParents > 0) {
- sprintf(q, "%s inherits ( ",q);
- for (k=0;k<numParents;k++){
+ if (numParents > 0) {
+ sprintf(q, "%s inherits ( ",q);
+ for (k=0;k<numParents;k++){
sprintf(q, "%s%s%s",
- q,
- (k>0) ? ", " : "",
- parentRels[k]);
+ q,
+ (k>0) ? ", " : "",
+ parentRels[k]);
+ }
+ strcat(q,")");
}
- strcat(q,")");
- }
- switch(tblinfo[i].relarch[0]) {
- case 'n':
- archiveMode = "none";
- break;
- case 'h':
- archiveMode = "heavy";
- break;
- case 'l':
- archiveMode = "light";
- break;
- default:
- fprintf(stderr, "unknown archive mode\n");
- archiveMode = "none";
- break;
- }
+ switch(tblinfo[i].relarch[0]) {
+ case 'n':
+ archiveMode = "none";
+ break;
+ case 'h':
+ archiveMode = "heavy";
+ break;
+ case 'l':
+ archiveMode = "light";
+ break;
+ default:
+ fprintf(stderr, "unknown archive mode\n");
+ archiveMode = "none";
+ break;
+ }
- sprintf(q, "%s archive = %s;\n",
- q,
- archiveMode);
- fputs(q,fout);
+ sprintf(q, "%s archive = %s;\n",
+ q,
+ archiveMode);
+ fputs(q,fout);
+ }
}
}
@@ -1211,7 +1246,7 @@ dumpTables(FILE* fout, TableInfo *tblinfo, int numTables,
*/
void
dumpIndices(FILE* fout, IndInfo* indinfo, int numIndices,
- TableInfo* tblinfo, int numTables)
+ TableInfo* tblinfo, int numTables, char *tablename)
{
int i;
int tableInd;
@@ -1243,82 +1278,139 @@ dumpIndices(FILE* fout, IndInfo* indinfo, int numIndices,
PQfnumber(res,"proname")));
PQclear(res);
}
- sprintf(q,"CREATE INDEX %s on %s using %s (",
- indinfo[i].indexrelname,
- indinfo[i].indrelname,
- indinfo[i].indamname);
- if (funcname) {
- sprintf(q, "%s %s(%s) %s);\n",
- q,funcname, attname, indinfo[i].indclassname);
- free(funcname);
- } else
- sprintf(q, "%s %s %s);\n",
- q,attname,indinfo[i].indclassname);
-
- fputs(q,fout);
+
+ if (!tablename || (!strcmp(indinfo[i].indrelname,tablename))) {
+
+ sprintf(q,"CREATE INDEX %s on %s using %s (",
+ indinfo[i].indexrelname,
+ indinfo[i].indrelname,
+ indinfo[i].indamname);
+ if (funcname) {
+ sprintf(q, "%s %s(%s) %s);\n",
+ q,funcname, attname, indinfo[i].indclassname);
+ free(funcname);
+ } else
+ sprintf(q, "%s %s %s);\n",
+ q,attname,indinfo[i].indclassname);
+
+ fputs(q,fout);
+ }
}
}
-
-
-
-
/*
* DumpClasses -
* dump the contents of all the classes.
*/
void
-dumpClasses(TableInfo *tblinfo, int numTables, FILE *fout)
+dumpClasses(TableInfo *tblinfo, int numTables, FILE *fout, char *onlytable)
{
char query[255];
#define COPYBUFSIZ 8192
char copybuf[COPYBUFSIZ];
+ char q[MAXQUERYLEN];
PGresult *res;
- int i;
+ int i,j;
+ int actual_atts; /* number of attrs in this a table */
int ret;
+ int field;
+ int tuple;
int copydone;
for(i = 0; i < numTables; i++) {
char *classname = tblinfo[i].relname;
- /* skip archive names*/
- if (isArchiveName(classname))
- continue;
-
- fprintf(fout, "COPY %s from stdin;\n", classname);
- sprintf(query, "COPY %s to stdout;\n", classname);
- res = PQexec(g_conn, query);
- if (!res ||
- PQresultStatus(res) != PGRES_COPY_OUT) {
- fprintf(stderr,"dumpClasses(): COPY to stdout failed");
- exit_nicely(g_conn);
- }
- copydone = 0;
- while (!copydone) {
- ret = PQgetline(res->conn, copybuf, COPYBUFSIZ);
+ if (!onlytable || (!strcmp(classname,onlytable))) {
+
+ /* skip archive names*/
+ if (isArchiveName(classname))
+ continue;
+
+ if(!dumpData) {
+ fprintf(fout, "COPY %s from stdin;\n", classname);
+ sprintf(query, "COPY %s to stdout;\n", classname);
+ res = PQexec(g_conn, query);
+ if (!res ||
+ PQresultStatus(res) != PGRES_COPY_OUT) {
+ fprintf(stderr,"dumpClasses(): COPY to stdout failed");
+ exit_nicely(g_conn);
+ }
+ copydone = 0;
+ while (!copydone) {
+ ret = PQgetline(res->conn, copybuf, COPYBUFSIZ);
- if (copybuf[0] == '.' && copybuf[1] =='\0') {
- copydone = true; /* don't print this... */
- } else {
- fputs(copybuf, stdout);
- switch (ret) {
- case EOF:
- copydone = true;
- /*FALLTHROUGH*/
- case 0:
- fputc('\n', stdout);
- break;
- case 1:
- break;
- }
+ if (copybuf[0] == '.' && copybuf[1] =='\0') {
+ copydone = true; /* don't print this... */
+ } else {
+ fputs(copybuf, stdout);
+ switch (ret) {
+ case EOF:
+ copydone = true;
+ /*FALLTHROUGH*/
+ case 0:
+ fputc('\n', stdout);
+ break;
+ case 1:
+ break;
+ }
+ }
+ }
+ fprintf(fout, ".\n");
+ PQclear(res);
+ PQendcopy(res->conn);
+ } else {
+ sprintf(query, "select * from %s;\n", classname);
+ res = PQexec(g_conn, query);
+ if (!res ||
+ PQresultStatus(res) != PGRES_TUPLES_OK) {
+ fprintf(stderr,"dumpClasses(): command failed");
+ exit_nicely(g_conn);
+ }
+ tuple=0;
+ while(tuple < PQntuples(res)) {
+ fprintf(fout, "insert into %s ", classname);
+ if (attrNames) {
+ actual_atts = 0;
+ sprintf(q, "(");
+ for (j=0;j<tblinfo[i].numatts;j++) {
+ if (tblinfo[i].inhAttrs[j] == 0) {
+ sprintf(q, "%s%s%s",
+ q,
+ (actual_atts > 0) ? "," : "",
+ tblinfo[i].attnames[j]);
+ actual_atts++;
+ }
+ }
+ sprintf(q,"%s%s",q, ") ");
+ fprintf(fout, q);
+ }
+ fprintf(fout, "values (");
+ field=0;
+ do {
+ switch(PQftype(res,field)) {
+ case 21: case 22: case 23: /* int types */
+ case 810: case 910: /* oldint types */
+ case 1005: case 1006: case 1007: /* _int types */
+ case 700: case 701: /* float types */
+ case 1021: case 1022: /* _float types */
+ fprintf(fout, "%s", PQgetvalue(res,tuple,field));
+ break;
+ default:
+ fprintf(fout, "'%s'", PQgetvalue(res,tuple,field));
+ break;
+ }
+ field++;
+ if(field != PQnfields(res))
+ fprintf(fout, ",");
+ } while(field < PQnfields(res));
+ fprintf(fout, ");\n");
+ tuple++;
+ }
+ PQclear(res);
}
- }
- fprintf(fout, ".\n");
- PQclear(res);
- PQendcopy(res->conn);
- }
-
+ }
+ }
}
/*