diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c index a35254874855c58da257d81a5a54762cdc8ecb0a..100bf9a7b49e92cb42d1851235791ff4eac0a8f1 100644 --- a/src/backend/parser/parse_expr.c +++ b/src/backend/parser/parse_expr.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.115 2002/04/16 23:08:11 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.116 2002/04/28 00:49:12 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1062,8 +1062,8 @@ exprIsLengthCoercion(Node *expr, int32 *coercedTypmod) } /* - * Furthermore, the name of the function must be the same as the - * argument/result type's name. + * Furthermore, the name and namespace of the function must be the same + * as its result type's name/namespace (cf. find_coercion_function). */ typeTuple = SearchSysCache(TYPEOID, ObjectIdGetDatum(procStruct->prorettype), @@ -1072,9 +1072,9 @@ exprIsLengthCoercion(Node *expr, int32 *coercedTypmod) elog(ERROR, "cache lookup for type %u failed", procStruct->prorettype); typeStruct = (Form_pg_type) GETSTRUCT(typeTuple); - if (strncmp(NameStr(procStruct->proname), - NameStr(typeStruct->typname), - NAMEDATALEN) != 0) + if (strcmp(NameStr(procStruct->proname), + NameStr(typeStruct->typname)) != 0 || + procStruct->pronamespace != typeStruct->typnamespace) { ReleaseSysCache(procTuple); ReleaseSysCache(typeTuple); diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index 580abead5d0c226576033aa9e7a0b86bbdc79c84..e763b359bb823e69024a515a716fb8a8ca4ca566 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -3,7 +3,7 @@ * back to source text * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.99 2002/04/25 02:56:55 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.100 2002/04/28 00:49:13 tgl Exp $ * * This software is copyrighted by Jan Wieck - Hamburg. * @@ -1805,23 +1805,12 @@ get_rule_expr(Node *node, deparse_context *context) case T_RelabelType: { RelabelType *relabel = (RelabelType *) node; - HeapTuple typetup; - Form_pg_type typeStruct; - char *extval; appendStringInfoChar(buf, '('); get_rule_expr(relabel->arg, context); - typetup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(relabel->resulttype), - 0, 0, 0); - if (!HeapTupleIsValid(typetup)) - elog(ERROR, "cache lookup of type %u failed", - relabel->resulttype); - typeStruct = (Form_pg_type) GETSTRUCT(typetup); - extval = pstrdup(NameStr(typeStruct->typname)); - appendStringInfo(buf, ")::%s", quote_identifier(extval)); - pfree(extval); - ReleaseSysCache(typetup); + appendStringInfo(buf, ")::%s", + format_type_with_typemod(relabel->resulttype, + relabel->resulttypmod)); } break; @@ -2095,13 +2084,15 @@ strip_type_coercion(Node *expr, Oid resultType) elog(ERROR, "cache lookup for proc %u failed", func->funcid); procStruct = (Form_pg_proc) GETSTRUCT(procTuple); /* Double-check func has one arg and correct result type */ + /* Also, it must be an implicit coercion function */ if (procStruct->pronargs != 1 || - procStruct->prorettype != resultType) + procStruct->prorettype != resultType || + !procStruct->proimplicit) { ReleaseSysCache(procTuple); return expr; } - /* See if function has same name as its result type */ + /* See if function has same name/namespace as its result type */ typeTuple = SearchSysCache(TYPEOID, ObjectIdGetDatum(procStruct->prorettype), 0, 0, 0); @@ -2109,9 +2100,9 @@ strip_type_coercion(Node *expr, Oid resultType) elog(ERROR, "cache lookup for type %u failed", procStruct->prorettype); typeStruct = (Form_pg_type) GETSTRUCT(typeTuple); - if (strncmp(NameStr(procStruct->proname), - NameStr(typeStruct->typname), - NAMEDATALEN) != 0) + if (strcmp(NameStr(procStruct->proname), + NameStr(typeStruct->typname)) != 0 || + procStruct->pronamespace != typeStruct->typnamespace) { ReleaseSysCache(procTuple); ReleaseSysCache(typeTuple); @@ -2179,14 +2170,6 @@ get_const_expr(Const *constval, deparse_context *context) char *extval; char *valptr; - typetup = SearchSysCache(TYPEOID, - ObjectIdGetDatum(constval->consttype), - 0, 0, 0); - if (!HeapTupleIsValid(typetup)) - elog(ERROR, "cache lookup of type %u failed", constval->consttype); - - typeStruct = (Form_pg_type) GETSTRUCT(typetup); - if (constval->constisnull) { /* @@ -2194,13 +2177,19 @@ get_const_expr(Const *constval, deparse_context *context) * prevents misdecisions about the type, but it ensures that our * output is a valid b_expr. */ - extval = pstrdup(NameStr(typeStruct->typname)); - appendStringInfo(buf, "NULL::%s", quote_identifier(extval)); - pfree(extval); - ReleaseSysCache(typetup); + appendStringInfo(buf, "NULL::%s", + format_type_with_typemod(constval->consttype, -1)); return; } + typetup = SearchSysCache(TYPEOID, + ObjectIdGetDatum(constval->consttype), + 0, 0, 0); + if (!HeapTupleIsValid(typetup)) + elog(ERROR, "cache lookup of type %u failed", constval->consttype); + + typeStruct = (Form_pg_type) GETSTRUCT(typetup); + extval = DatumGetCString(OidFunctionCall3(typeStruct->typoutput, constval->constvalue, ObjectIdGetDatum(typeStruct->typelem), @@ -2251,9 +2240,9 @@ get_const_expr(Const *constval, deparse_context *context) /* These types can be left unlabeled */ break; default: - extval = pstrdup(NameStr(typeStruct->typname)); - appendStringInfo(buf, "::%s", quote_identifier(extval)); - pfree(extval); + appendStringInfo(buf, "::%s", + format_type_with_typemod(constval->consttype, + -1)); break; } @@ -2583,8 +2572,8 @@ const char * quote_identifier(const char *ident) { /* - * Can avoid quoting if ident starts with a lowercase letter and - * contains only lowercase letters, digits, and underscores, *and* is + * Can avoid quoting if ident starts with a lowercase letter or underscore + * and contains only lowercase letters, digits, and underscores, *and* is * not any SQL keyword. Otherwise, supply quotes. */ bool safe; @@ -2594,7 +2583,7 @@ quote_identifier(const char *ident) * would like to use <ctype.h> macros here, but they might yield * unwanted locale-specific results... */ - safe = (ident[0] >= 'a' && ident[0] <= 'z'); + safe = ((ident[0] >= 'a' && ident[0] <= 'z') || ident[0] == '_'); if (safe) { const char *ptr; diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out index 0816fc83e7ce34c82a688781752ad90de70790e5..bbda19decaa9e1d6cff4552cbb1526300fb0d775 100644 --- a/src/test/regress/expected/rules.out +++ b/src/test/regress/expected/rules.out @@ -1264,8 +1264,8 @@ drop table cchild; -- Check that ruleutils are working -- SELECT viewname, definition FROM pg_views ORDER BY viewname; - viewname | definition ---------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + viewname | definition +--------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- iexit | SELECT ih.name, ih.thepath, interpt_pp(ih.thepath, r.thepath) AS exit FROM ihighway ih, ramp r WHERE (ih.thepath ## r.thepath); pg_indexes | SELECT c.relname AS tablename, i.relname AS indexname, pg_get_indexdef(x.indexrelid) AS indexdef FROM pg_index x, pg_class c, pg_class i WHERE ((((c.relkind = 'r'::"char") AND (i.relkind = 'i'::"char")) AND (c.oid = x.indrelid)) AND (i.oid = x.indexrelid)); pg_rules | SELECT n.nspname AS schemaname, c.relname AS tablename, r.rulename, pg_get_ruledef(r.oid) AS definition FROM ((pg_rewrite r JOIN pg_class c ON ((c.oid = r.ev_class))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (r.rulename <> '_RETURN'::name); @@ -1286,7 +1286,7 @@ SELECT viewname, definition FROM pg_views ORDER BY viewname; pg_statio_user_indexes | SELECT pg_statio_all_indexes.relid, pg_statio_all_indexes.indexrelid, pg_statio_all_indexes.relname, pg_statio_all_indexes.indexrelname, pg_statio_all_indexes.idx_blks_read, pg_statio_all_indexes.idx_blks_hit FROM pg_statio_all_indexes WHERE (pg_statio_all_indexes.relname !~ '^pg_'::text); pg_statio_user_sequences | SELECT pg_statio_all_sequences.relid, pg_statio_all_sequences.relname, pg_statio_all_sequences.blks_read, pg_statio_all_sequences.blks_hit FROM pg_statio_all_sequences WHERE (pg_statio_all_sequences.relname !~ '^pg_'::text); pg_statio_user_tables | SELECT pg_statio_all_tables.relid, pg_statio_all_tables.relname, pg_statio_all_tables.heap_blks_read, pg_statio_all_tables.heap_blks_hit, pg_statio_all_tables.idx_blks_read, pg_statio_all_tables.idx_blks_hit, pg_statio_all_tables.toast_blks_read, pg_statio_all_tables.toast_blks_hit, pg_statio_all_tables.tidx_blks_read, pg_statio_all_tables.tidx_blks_hit FROM pg_statio_all_tables WHERE (pg_statio_all_tables.relname !~ '^pg_'::text); - pg_stats | SELECT c.relname AS tablename, a.attname, s.stanullfrac AS null_frac, s.stawidth AS avg_width, s.stadistinct AS n_distinct, CASE WHEN (1 = s.stakind1) THEN s.stavalues1 WHEN (1 = s.stakind2) THEN s.stavalues2 WHEN (1 = s.stakind3) THEN s.stavalues3 WHEN (1 = s.stakind4) THEN s.stavalues4 ELSE NULL::"_text" END AS most_common_vals, CASE WHEN (1 = s.stakind1) THEN s.stanumbers1 WHEN (1 = s.stakind2) THEN s.stanumbers2 WHEN (1 = s.stakind3) THEN s.stanumbers3 WHEN (1 = s.stakind4) THEN s.stanumbers4 ELSE NULL::"_float4" END AS most_common_freqs, CASE WHEN (2 = s.stakind1) THEN s.stavalues1 WHEN (2 = s.stakind2) THEN s.stavalues2 WHEN (2 = s.stakind3) THEN s.stavalues3 WHEN (2 = s.stakind4) THEN s.stavalues4 ELSE NULL::"_text" END AS histogram_bounds, CASE WHEN (3 = s.stakind1) THEN s.stanumbers1[1] WHEN (3 = s.stakind2) THEN s.stanumbers2[1] WHEN (3 = s.stakind3) THEN s.stanumbers3[1] WHEN (3 = s.stakind4) THEN s.stanumbers4[1] ELSE NULL::float4 END AS correlation FROM pg_class c, pg_attribute a, pg_statistic s WHERE ((((c.oid = s.starelid) AND (c.oid = a.attrelid)) AND (a.attnum = s.staattnum)) AND has_table_privilege(c.oid, 'select'::text)); + pg_stats | SELECT c.relname AS tablename, a.attname, s.stanullfrac AS null_frac, s.stawidth AS avg_width, s.stadistinct AS n_distinct, CASE WHEN (1 = s.stakind1) THEN s.stavalues1 WHEN (1 = s.stakind2) THEN s.stavalues2 WHEN (1 = s.stakind3) THEN s.stavalues3 WHEN (1 = s.stakind4) THEN s.stavalues4 ELSE NULL::text[] END AS most_common_vals, CASE WHEN (1 = s.stakind1) THEN s.stanumbers1 WHEN (1 = s.stakind2) THEN s.stanumbers2 WHEN (1 = s.stakind3) THEN s.stanumbers3 WHEN (1 = s.stakind4) THEN s.stanumbers4 ELSE NULL::real[] END AS most_common_freqs, CASE WHEN (2 = s.stakind1) THEN s.stavalues1 WHEN (2 = s.stakind2) THEN s.stavalues2 WHEN (2 = s.stakind3) THEN s.stavalues3 WHEN (2 = s.stakind4) THEN s.stavalues4 ELSE NULL::text[] END AS histogram_bounds, CASE WHEN (3 = s.stakind1) THEN s.stanumbers1[1] WHEN (3 = s.stakind2) THEN s.stanumbers2[1] WHEN (3 = s.stakind3) THEN s.stanumbers3[1] WHEN (3 = s.stakind4) THEN s.stanumbers4[1] ELSE NULL::real END AS correlation FROM pg_class c, pg_attribute a, pg_statistic s WHERE ((((c.oid = s.starelid) AND (c.oid = a.attrelid)) AND (a.attnum = s.staattnum)) AND has_table_privilege(c.oid, 'select'::text)); pg_tables | SELECT c.relname AS tablename, pg_get_userbyid(c.relowner) AS tableowner, c.relhasindex AS hasindexes, c.relhasrules AS hasrules, (c.reltriggers > 0) AS hastriggers FROM pg_class c WHERE ((c.relkind = 'r'::"char") OR (c.relkind = 's'::"char")); pg_user | SELECT pg_shadow.usename, pg_shadow.usesysid, pg_shadow.usecreatedb, pg_shadow.usetrace, pg_shadow.usesuper, pg_shadow.usecatupd, '********'::text AS passwd, pg_shadow.valuntil, pg_shadow.useconfig FROM pg_shadow; pg_views | SELECT n.nspname AS schemaname, c.relname AS viewname, pg_get_userbyid(c.relowner) AS viewowner, pg_get_viewdef(c.oid) AS definition FROM (pg_class c LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = 'v'::"char"); @@ -1308,8 +1308,8 @@ SELECT viewname, definition FROM pg_views ORDER BY viewname; SELECT tablename, rulename, definition FROM pg_rules ORDER BY tablename, rulename; - tablename | rulename | definition ----------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- + tablename | rulename | definition +---------------+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- rtest_emp | rtest_emp_del | CREATE RULE rtest_emp_del AS ON DELETE TO rtest_emp DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (old.ename, "current_user"(), 'fired '::bpchar, '$0.00'::money, old.salary); rtest_emp | rtest_emp_ins | CREATE RULE rtest_emp_ins AS ON INSERT TO rtest_emp DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (new.ename, "current_user"(), 'hired '::bpchar, new.salary, '$0.00'::money); rtest_emp | rtest_emp_upd | CREATE RULE rtest_emp_upd AS ON UPDATE TO rtest_emp WHERE (new.salary <> old.salary) DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (new.ename, "current_user"(), 'honored '::bpchar, new.salary, old.salary); @@ -1335,7 +1335,7 @@ SELECT tablename, rulename, definition FROM pg_rules shoelace | shoelace_del | CREATE RULE shoelace_del AS ON DELETE TO shoelace DO INSTEAD DELETE FROM shoelace_data WHERE (shoelace_data.sl_name = old.sl_name); shoelace | shoelace_ins | CREATE RULE shoelace_ins AS ON INSERT TO shoelace DO INSTEAD INSERT INTO shoelace_data (sl_name, sl_avail, sl_color, sl_len, sl_unit) VALUES (new.sl_name, new.sl_avail, new.sl_color, new.sl_len, new.sl_unit); shoelace | shoelace_upd | CREATE RULE shoelace_upd AS ON UPDATE TO shoelace DO INSTEAD UPDATE shoelace_data SET sl_name = new.sl_name, sl_avail = new.sl_avail, sl_color = new.sl_color, sl_len = new.sl_len, sl_unit = new.sl_unit WHERE (shoelace_data.sl_name = old.sl_name); - shoelace_data | log_shoelace | CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data WHERE (new.sl_avail <> old.sl_avail) DO INSERT INTO shoelace_log (sl_name, sl_avail, log_who, log_when) VALUES (new.sl_name, new.sl_avail, 'Al Bundy'::name, 'Thu Jan 01 00:00:00 1970'::"timestamp"); + shoelace_data | log_shoelace | CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data WHERE (new.sl_avail <> old.sl_avail) DO INSERT INTO shoelace_log (sl_name, sl_avail, log_who, log_when) VALUES (new.sl_name, new.sl_avail, 'Al Bundy'::name, 'Thu Jan 01 00:00:00 1970'::timestamp without time zone); shoelace_ok | shoelace_ok_ins | CREATE RULE shoelace_ok_ins AS ON INSERT TO shoelace_ok DO INSTEAD UPDATE shoelace SET sl_avail = (shoelace.sl_avail + new.ok_quant) WHERE (shoelace.sl_name = new.ok_name); (27 rows)