X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=src%2Fbackend%2Fcatalog%2Finformation_schema.sql;h=659d7cb5a49b465eb68c7c034fe067014f3fdadf;hb=ee943004466418595363d567f18c053bae407792;hp=3c6a049b6dae11cabf55f76aba5052e3113b9997;hpb=4baaf863eca5412e07a8441b3b7e7482b7a8b21a;p=postgresql

diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index 3c6a049b6d..659d7cb5a4 100644
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -2,9 +2,17 @@
  * SQL Information Schema
  * as defined in ISO/IEC 9075-11:2011
  *
- * Copyright (c) 2003-2015, PostgreSQL Global Development Group
+ * Copyright (c) 2003-2016, PostgreSQL Global Development Group
  *
  * src/backend/catalog/information_schema.sql
+ *
+ * Note: this file is read in single-user -j mode, which means that the
+ * command terminator is semicolon-newline-newline; whenever the backend
+ * sees that, it stops and executes what it's got.  If you write a lot of
+ * statements without empty lines between, they'll all get quoted to you
+ * in any error message about one of them, so don't do that.  Also, you
+ * cannot write a semicolon immediately followed by an empty line in a
+ * string literal (including a function body!) or a multiline comment.
  */
 
 /*
@@ -1928,7 +1936,39 @@ GRANT SELECT ON tables TO PUBLIC;
  * TRANSFORMS view
  */
 
--- feature not supported
+CREATE VIEW transforms AS
+    SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
+           CAST(nt.nspname AS sql_identifier) AS udt_schema,
+           CAST(t.typname AS sql_identifier) AS udt_name,
+           CAST(current_database() AS sql_identifier) AS specific_catalog,
+           CAST(np.nspname AS sql_identifier) AS specific_schema,
+           CAST(p.proname || '_' || CAST(p.oid AS text) AS sql_identifier) AS specific_name,
+           CAST(l.lanname AS sql_identifier) AS group_name,
+           CAST('FROM SQL' AS character_data) AS transform_type
+    FROM pg_type t JOIN pg_transform x ON t.oid = x.trftype
+         JOIN pg_language l ON x.trflang = l.oid
+         JOIN pg_proc p ON x.trffromsql = p.oid
+         JOIN pg_namespace nt ON t.typnamespace = nt.oid
+         JOIN pg_namespace np ON p.pronamespace = np.oid
+
+  UNION
+
+    SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
+           CAST(nt.nspname AS sql_identifier) AS udt_schema,
+           CAST(t.typname AS sql_identifier) AS udt_name,
+           CAST(current_database() AS sql_identifier) AS specific_catalog,
+           CAST(np.nspname AS sql_identifier) AS specific_schema,
+           CAST(p.proname || '_' || CAST(p.oid AS text) AS sql_identifier) AS specific_name,
+           CAST(l.lanname AS sql_identifier) AS group_name,
+           CAST('TO SQL' AS character_data) AS transform_type
+    FROM pg_type t JOIN pg_transform x ON t.oid = x.trftype
+         JOIN pg_language l ON x.trflang = l.oid
+         JOIN pg_proc p ON x.trftosql = p.oid
+         JOIN pg_namespace nt ON t.typnamespace = nt.oid
+         JOIN pg_namespace np ON p.pronamespace = np.oid
+
+  ORDER BY udt_catalog, udt_schema, udt_name, group_name, transform_type  -- some sensible grouping for interactive use
+;
 
 
 /*