pgsql: Rename value node fields

Rename value node fields

For the formerly-Value node types, rename the "val" field to a name
specific to the node type, namely "ival", "fval", "sval", and "bsval".
This makes some code clearer and catches mixups better.

Reviewed-by: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Discussion: https://www.postgresql.org/message-id/flat/8c1a2e37-c68d-703c-5a83-7a6077f4f997(at)enterprisedb(dot)com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/c4cc2850f4d16092c2b7b39964c097260935a72c

Modified Files
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src/backend/commands/define.c | 4 ++--
src/backend/nodes/copyfuncs.c | 16 ++++++++--------
src/backend/nodes/equalfuncs.c | 8 ++++----
src/backend/nodes/outfuncs.c | 10 +++++-----
src/backend/nodes/value.c | 8 ++++----
src/backend/parser/gram.y | 24 ++++++++++++------------
src/backend/parser/parse_node.c | 10 +++++-----
src/backend/parser/parse_type.c | 6 +++---
src/backend/parser/parse_utilcmd.c | 2 +-
src/backend/utils/adt/oid.c | 2 +-
src/backend/utils/misc/guc.c | 2 +-
src/include/nodes/value.h | 14 +++++++-------
12 files changed, 53 insertions(+), 53 deletions(-)