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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2021-01-04 11:03:22 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2021-01-04 11:03:22 -0500 |
| commit | 844fe9f159a948377907a63d0ef3fb16dc51ce50 (patch) | |
| tree | 5f2ac3f159f7a4795a01330044fd76049ed5bff6 /src/backend/commands/tablecmds.c | |
| parent | b49154b3b7a45523ce4081fdae8d65049342fcec (diff) | |
| download | postgresql-844fe9f159a948377907a63d0ef3fb16dc51ce50.tar.gz postgresql-844fe9f159a948377907a63d0ef3fb16dc51ce50.zip | |
Add the ability for the core grammar to have more than one parse target.
This patch essentially allows gram.y to implement a family of related
syntax trees, rather than necessarily always parsing a list of SQL
statements. raw_parser() gains a new argument, enum RawParseMode,
to say what to do. As proof of concept, add a mode that just parses
a TypeName without any other decoration, and use that to greatly
simplify typeStringToTypeName().
In addition, invent a new SPI entry point SPI_prepare_extended() to
allow SPI users (particularly plpgsql) to get at this new functionality.
In hopes of making this the last variant of SPI_prepare(), set up its
additional arguments as a struct rather than direct arguments, and
promise that future additions to the struct can default to zero.
SPI_prepare_cursor() and SPI_prepare_params() can perhaps go away at
some point.
Discussion: https://postgr.es/m/4165684.1607707277@sss.pgh.pa.us
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 11dae782fd2..993da56d437 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -12095,7 +12095,7 @@ ATPostAlterTypeParse(Oid oldId, Oid oldRelId, Oid refRelId, char *cmd, * parse_analyze() or the rewriter, but instead we need to pass them * through parse_utilcmd.c to make them ready for execution. */ - raw_parsetree_list = raw_parser(cmd); + raw_parsetree_list = raw_parser(cmd, RAW_PARSE_DEFAULT); querytree_list = NIL; foreach(list_item, raw_parsetree_list) { |