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postgres/src/backend/parser
History
Tom Lane bb7e5dc2c0
Tweak TypeCategory to treat new BIT types as of STRING category, rather 		26 years ago
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 27 years ago
Makefile Removed MBFLAGS from makefiles since it's now done in include/config.h. 26 years ago
README cleanup 28 years ago
analyze.c transformCreateStmt should put Ident nodes, not ColumnDef nodes, into 26 years ago
gram.y Add transcendental math functions (sine, cosine, etc) 26 years ago
keywords.c Add transcendental math functions (sine, cosine, etc) 26 years ago
parse_agg.c Fix a bunch of minor portability problems and maybe-bugs revealed by 26 years ago
parse_clause.c Remove no-longer-necessary restriction against uplevel correlation vars 26 years ago
parse_coerce.c Tweak TypeCategory to treat new BIT types as of STRING category, rather 26 years ago
parse_expr.c transformExpr() did the Wrong Thing if applied to a SubLink node that 26 years ago
parse_func.c Remove no-longer-necessary restriction against uplevel correlation vars 26 years ago
parse_node.c Make make_const() check the size and precision of a T_Float Value, 26 years ago
parse_oper.c Another go-round with resolution of ambiguous functions and operators. 26 years ago
parse_relation.c Remove no-longer-necessary restriction against uplevel correlation vars 26 years ago
parse_target.c Implement column aliases on views "CREATE VIEW name (collist)". 26 years ago
parse_type.c Add: 26 years ago
parser.c Add safety check on expression nesting depth. Default value is set by 26 years ago
scan.l Modify lexing of multi-char operators per pghackers discussion around 26 years ago
scansup.c Add: 26 years ago

README 

This directory does more than tokenize and parse SQL queries.  It also
creates Query structures for the various complex queries that is passed
to the optimizer and then executor.

parser.c	things start here
scan.l		break query into tokens
scansup.c	handle escapes in input
keywords.c	turn keywords into specific tokens
gram.y		parse the tokens and fill query-type-specific structures
analyze.c	handle post-parse processing for each query type
parse_clause.c	handle clauses like WHERE, ORDER BY, GROUP BY, ...
parse_coerce.c	used for coercing expressions of different types
parse_expr.c	handle expressions like col, col + 3, x = 3 or x = 4
parse_oper.c	handle operations in expressions
parse_agg.c	handle aggregates, like SUM(col1),  AVG(col2), ...
parse_func.c	handle functions, table.column and column identifiers
parse_node.c	create nodes for various structures
parse_target.c	handle the result list of the query
parse_relation.c support routines for tables and column handling
parse_type.c	support routines for type handling