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Add transforms feature

This provides a mechanism for specifying conversions between SQL data
types and procedural languages.  As examples, there are transforms
for hstore and ltree for PL/Perl and PL/Python.

reviews by Pavel Stěhule and Andres Freund
This commit is contained in:
Peter Eisentraut
2015-04-26 10:33:14 -04:00
parent f320cbb615
commit cac7658205
101 changed files with 6034 additions and 2811 deletions

View File

@@ -350,6 +350,7 @@ PG_KEYWORD("skip", SKIP, UNRESERVED_KEYWORD)
PG_KEYWORD("smallint", SMALLINT, COL_NAME_KEYWORD)
PG_KEYWORD("snapshot", SNAPSHOT, UNRESERVED_KEYWORD)
PG_KEYWORD("some", SOME, RESERVED_KEYWORD)
PG_KEYWORD("sql", SQL_P, UNRESERVED_KEYWORD)
PG_KEYWORD("stable", STABLE, UNRESERVED_KEYWORD)
PG_KEYWORD("standalone", STANDALONE_P, UNRESERVED_KEYWORD)
PG_KEYWORD("start", START, UNRESERVED_KEYWORD)
@@ -377,6 +378,7 @@ PG_KEYWORD("timestamp", TIMESTAMP, COL_NAME_KEYWORD)
PG_KEYWORD("to", TO, RESERVED_KEYWORD)
PG_KEYWORD("trailing", TRAILING, RESERVED_KEYWORD)
PG_KEYWORD("transaction", TRANSACTION, UNRESERVED_KEYWORD)
PG_KEYWORD("transform", TRANSFORM, UNRESERVED_KEYWORD)
PG_KEYWORD("treat", TREAT, COL_NAME_KEYWORD)
PG_KEYWORD("trigger", TRIGGER, UNRESERVED_KEYWORD)
PG_KEYWORD("trim", TRIM, COL_NAME_KEYWORD)