*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.183 2000/12/03 20:45:37 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.184 2001/01/04 01:23:47 tgl Exp $
*
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
*
TableInfo *tblinfo, int numTables);
static void dumpRules(Archive *fout, const char *tablename,
TableInfo *tblinfo, int numTables);
-static char *checkForQuote(const char *s);
+static void formatStringLiteral(PQExpBuffer buf, const char *str);
static void clearTableInfo(TableInfo *, int);
static void dumpOneFunc(Archive *fout, FuncInfo *finfo, int i,
TypeInfo *tinfo, int numTypes);
PQExpBuffer q = createPQExpBuffer();
int tuple;
int field;
- const char *expsrc;
appendPQExpBuffer(q, "SELECT * FROM %s", fmtId(classname, force_quotes));
res = PQexec(g_conn, q->data);
/*
* All other types are printed as string literals,
* with appropriate escaping of special characters.
- * Quote mark ' goes to '' per SQL standard, other
- * stuff goes to \ sequences.
*/
- archputc('\'', fout);
- expsrc = PQgetvalue(res, tuple, field);
- while (*expsrc)
- {
- char ch = *expsrc++;
-
- if (ch == '\\' || ch == '\'')
- {
- archputc(ch, fout); /* double these */
- archputc(ch, fout);
- }
- else if (ch < '\040')
- {
- /* generate octal escape for control chars */
- archputc('\\', fout);
- archputc(((ch >> 6) & 3) + '0', fout);
- archputc(((ch >> 3) & 7) + '0', fout);
- archputc((ch & 7) + '0', fout);
- }
- else
- archputc(ch, fout);
- }
- archputc('\'', fout);
+ resetPQExpBuffer(q);
+ formatStringLiteral(q, PQgetvalue(res, tuple, field));
+ archprintf(fout, "%s", q->data);
break;
}
}
return 1;
}
+/*
+ * Convert a string value to an SQL string literal,
+ * with appropriate escaping of special characters.
+ * Quote mark ' goes to '' per SQL standard, other
+ * stuff goes to \ sequences.
+ * The literal is appended to the given PQExpBuffer.
+ */
+static void
+formatStringLiteral(PQExpBuffer buf, const char *str)
+{
+ appendPQExpBufferChar(buf, '\'');
+ while (*str)
+ {
+ char ch = *str++;
+
+ if (ch == '\\' || ch == '\'')
+ {
+ appendPQExpBufferChar(buf, ch); /* double these */
+ appendPQExpBufferChar(buf, ch);
+ }
+ else if ((unsigned char) ch < (unsigned char) ' ' &&
+ ch != '\n' && ch != '\t')
+ {
+ /* generate octal escape for control chars other than whitespace */
+ appendPQExpBufferChar(buf, '\\');
+ appendPQExpBufferChar(buf, ((ch >> 6) & 3) + '0');
+ appendPQExpBufferChar(buf, ((ch >> 3) & 7) + '0');
+ appendPQExpBufferChar(buf, (ch & 7) + '0');
+ }
+ else
+ appendPQExpBufferChar(buf, ch);
+ }
+ appendPQExpBufferChar(buf, '\'');
+}
+
/*
* DumpClasses -
* dump the contents of all the classes.
/* Get the dba */
appendPQExpBuffer(dbQry, "select (select usename from pg_user where datdba = usesysid) as dba from pg_database"
- " where datname = '%s'", PQdb(g_conn));
+ " where datname = ");
+ formatStringLiteral(dbQry, PQdb(g_conn));
res = PQexec(g_conn, dbQry->data);
if (!res ||
finfo[i].oid = strdup(PQgetvalue(res, i, i_oid));
finfo[i].proname = strdup(PQgetvalue(res, i, i_proname));
- finfo[i].prosrc = checkForQuote(PQgetvalue(res, i, i_prosrc));
+ finfo[i].prosrc = strdup(PQgetvalue(res, i, i_prosrc));
finfo[i].probin = strdup(PQgetvalue(res, i, i_probin));
finfo[i].prorettype = strdup(PQgetvalue(res, i, i_prorettype));
PGresult *res2;
resetPQExpBuffer(query);
- appendPQExpBuffer(query, "SELECT pg_get_viewdef('%s') as viewdef ", tblinfo[i].relname);
+ appendPQExpBuffer(query, "SELECT pg_get_viewdef(");
+ formatStringLiteral(query, tblinfo[i].relname);
+ appendPQExpBuffer(query, ") as viewdef");
res2 = PQexec(g_conn, query->data);
if (!res2 || PQresultStatus(res2) != PGRES_TUPLES_OK)
{
{
i_description = PQfnumber(res, "description");
resetPQExpBuffer(query);
- appendPQExpBuffer(query, "COMMENT ON %s IS '%s';\n",
- target, checkForQuote(PQgetvalue(res, 0, i_description)));
+ appendPQExpBuffer(query, "COMMENT ON %s IS ", target);
+ formatStringLiteral(query, PQgetvalue(res, 0, i_description));
+ appendPQExpBuffer(query, ";\n");
ArchiveEntry(fout, oid, target, "COMMENT", NULL, query->data, "" /*Del*/,
"" /* Copy */, "" /*Owner*/, NULL, NULL);
/*** Build query to find comment ***/
query = createPQExpBuffer();
- appendPQExpBuffer(query, "SELECT oid FROM pg_database WHERE datname = '%s'",
- PQdb(g_conn));
+ appendPQExpBuffer(query, "SELECT oid FROM pg_database WHERE datname = ");
+ formatStringLiteral(query, PQdb(g_conn));
/*** Execute query ***/
resetPQExpBuffer(q);
appendPQExpBuffer(q,
"CREATE TYPE %s "
- "( internallength = %s, externallength = %s, input = %s, "
- "output = %s, send = %s, receive = %s, default = '%s'",
+ "( internallength = %s, externallength = %s,",
fmtId(tinfo[i].typname, force_quotes),
tinfo[i].typlen,
- tinfo[i].typprtlen,
- tinfo[i].typinput,
- tinfo[i].typoutput,
- tinfo[i].typsend,
- tinfo[i].typreceive,
- tinfo[i].typdefault);
+ tinfo[i].typprtlen);
+ /* cannot combine these because fmtId uses static result area */
+ appendPQExpBuffer(q, " input = %s,",
+ fmtId(tinfo[i].typinput, force_quotes));
+ appendPQExpBuffer(q, " output = %s,",
+ fmtId(tinfo[i].typoutput, force_quotes));
+ appendPQExpBuffer(q, " send = %s,",
+ fmtId(tinfo[i].typsend, force_quotes));
+ appendPQExpBuffer(q, " receive = %s, default = ",
+ fmtId(tinfo[i].typreceive, force_quotes));
+ formatStringLiteral(q, tinfo[i].typdefault);
if (tinfo[i].isArray)
{
char *elemType;
elemType = findTypeByOid(tinfo, numTypes, tinfo[i].typelem, zeroAsOpaque);
-
- appendPQExpBuffer(q, ", element = %s, delimiter = '%s'",
- elemType, tinfo[i].typdelim);
+ appendPQExpBuffer(q, ", element = %s, delimiter = ", elemType);
+ formatStringLiteral(q, tinfo[i].typdelim);
}
if (tinfo[i].passedbyvalue)
appendPQExpBuffer(q, ",passedbyvalue);\n");
dumpOneFunc(fout, finfo, fidx, tinfo, numTypes);
- lanname = checkForQuote(PQgetvalue(res, i, i_lanname));
- lancompiler = checkForQuote(PQgetvalue(res, i, i_lancompiler));
+ lanname = PQgetvalue(res, i, i_lanname);
+ lancompiler = PQgetvalue(res, i, i_lancompiler);
- appendPQExpBuffer(delqry, "DROP PROCEDURAL LANGUAGE '%s';\n", lanname);
+ appendPQExpBuffer(delqry, "DROP PROCEDURAL LANGUAGE ");
+ formatStringLiteral(delqry, lanname);
+ appendPQExpBuffer(delqry, ";\n");
- appendPQExpBuffer(defqry, "CREATE %sPROCEDURAL LANGUAGE '%s' "
- "HANDLER %s LANCOMPILER '%s';\n",
- (PQgetvalue(res, i, i_lanpltrusted)[0] == 't') ? "TRUSTED " : "",
- lanname,
- fmtId(finfo[fidx].proname, force_quotes),
- lancompiler);
+ appendPQExpBuffer(defqry, "CREATE %sPROCEDURAL LANGUAGE ",
+ (PQgetvalue(res, i, i_lanpltrusted)[0] == 't') ?
+ "TRUSTED " : "");
+ formatStringLiteral(defqry, lanname);
+ appendPQExpBuffer(defqry, " HANDLER %s LANCOMPILER ",
+ fmtId(finfo[fidx].proname, force_quotes));
+ formatStringLiteral(defqry, lancompiler);
+ appendPQExpBuffer(defqry, ";\n");
ArchiveEntry(fout, PQgetvalue(res, i, i_oid), lanname, "PROCEDURAL LANGUAGE",
NULL, defqry->data, delqry->data, "", "", NULL, NULL);
- free(lanname);
- free(lancompiler);
-
resetPQExpBuffer(defqry);
resetPQExpBuffer(delqry);
}
*/
if (strcmp(finfo[i].probin, "-") != 0)
{
+ appendPQExpBuffer(asPart, "AS ");
+ formatStringLiteral(asPart, finfo[i].probin);
if (strcmp(finfo[i].prosrc, "-") != 0)
- appendPQExpBuffer(asPart, "AS '%s', '%s'", finfo[i].probin, finfo[i].prosrc);
- else
- appendPQExpBuffer(asPart, "AS '%s'", finfo[i].probin);
+ {
+ appendPQExpBuffer(asPart, ", ");
+ formatStringLiteral(asPart, finfo[i].prosrc);
+ }
}
else
{
if (strcmp(finfo[i].prosrc, "-") != 0)
- appendPQExpBuffer(asPart, "AS '%s'", finfo[i].prosrc);
+ {
+ appendPQExpBuffer(asPart, "AS ");
+ formatStringLiteral(asPart, finfo[i].prosrc);
+ }
}
strcpy(func_lang, PQgetvalue(res, 0, i_lanname));
resetPQExpBuffer(q);
appendPQExpBuffer(q, "CREATE FUNCTION %s ", fn->data );
- appendPQExpBuffer(q, "RETURNS %s%s %s LANGUAGE '%s'",
- (finfo[i].retset) ? " SETOF " : "",
+ appendPQExpBuffer(q, "RETURNS %s%s %s LANGUAGE ",
+ (finfo[i].retset) ? "SETOF " : "",
findTypeByOid(tinfo, numTypes, finfo[i].prorettype, zeroAsOpaque),
- asPart->data, func_lang);
+ asPart->data);
+ formatStringLiteral(q, func_lang);
if (finfo[i].iscachable || finfo[i].isstrict) /* OR in new attrs here */
{
findTypeByOid(tinfo, numTypes, agginfo[i].aggtranstype, zeroAsOpaque + useBaseTypeName));
if (agginfo[i].agginitval)
- appendPQExpBuffer(details, ", INITCOND = '%s'",
- agginfo[i].agginitval);
+ {
+ appendPQExpBuffer(details, ", INITCOND = ");
+ formatStringLiteral(details, agginfo[i].agginitval);
+ }
if (!(strcmp(agginfo[i].aggfinalfn, "-") == 0))
appendPQExpBuffer(details, ", FINALFUNC = %s",
PQExpBuffer query = createPQExpBuffer();
resetPQExpBuffer(query);
- appendPQExpBuffer(query, "SELECT datlastsysoid from pg_database where datname = '%s'", dbname);
+ appendPQExpBuffer(query, "SELECT datlastsysoid from pg_database where datname = ");
+ formatStringLiteral(query, dbname);
res = PQexec(g_conn, query->data);
if (res == NULL ||
}
-/*
- * checkForQuote:
- * checks a string for quote characters and quotes them
- */
-static char *
-checkForQuote(const char *s)
-{
- char *r;
- char c;
- char *result;
-
- int j = 0;
-
- r = malloc(strlen(s) * 3 + 1); /* definitely long enough */
-
- while ((c = *s) != '\0')
- {
-
- if (c == '\'')
- {
- r[j++] = '\''; /* quote the single quotes */
- }
- r[j++] = c;
- s++;
- }
- r[j] = '\0';
-
- result = strdup(r);
- free(r);
-
- return result;
-
-}
-
-
static void
dumpSequence(Archive *fout, TableInfo tbinfo)
{
resetPQExpBuffer(query);
- appendPQExpBuffer(query, "SELECT setval ('%s', %d, '%c');\n",
- fmtId(tbinfo.relname, force_quotes), last, called);
+ appendPQExpBuffer(query, "SELECT setval (");
+ formatStringLiteral(query, fmtId(tbinfo.relname, force_quotes));
+ appendPQExpBuffer(query, ", %d, '%c');\n", last, called);
ArchiveEntry(fout, tbinfo.oid, fmtId(tbinfo.relname, force_quotes), "SEQUENCE SET", NULL,
query->data, "" /* Del */, "", "", NULL, NULL);
" (select usename from pg_user where pg_class.relowner = usesysid) AS viewowner, "
" pg_rewrite.oid, pg_rewrite.rulename "
"FROM pg_rewrite, pg_class, pg_rules "
- "WHERE pg_class.relname = '%s' "
+ "WHERE pg_class.relname = ");
+ formatStringLiteral(query, tblinfo[t].relname);
+ appendPQExpBuffer(query,
" AND pg_rewrite.ev_class = pg_class.oid "
" AND pg_rules.tablename = pg_class.relname "
" AND pg_rules.rulename = pg_rewrite.rulename "
- "ORDER BY pg_rewrite.oid",
- tblinfo[t].relname);
+ "ORDER BY pg_rewrite.oid");
res = PQexec(g_conn, query->data);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK)
projects / postgresql / commitdiff