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postgres/src/backend/parser
History
Tom Lane 3cb1ffa653
Allow second and subsequent names in a qualified (dotted) name to be 		22 years ago
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 27 years ago
Makefile $Header: -> $PostgreSQL Changes ... 22 years ago
README
…
analyze.c Code review for ALTER INDEX patch. 22 years ago
gram.y Allow second and subsequent names in a qualified (dotted) name to be 22 years ago
keywords.c Replace nested-BEGIN syntax for subtransactions with spec-compliant 22 years ago
parse_agg.c Use the new List API function names throughout the backend, and disable the 22 years ago
parse_clause.c Repair some issues with column aliases and RowExpr construction in the 22 years ago
parse_coerce.c Repair some issues with column aliases and RowExpr construction in the 22 years ago
parse_expr.c Represent type-specific length coercion functions as pg_cast entries, 22 years ago
parse_func.c Fix oversight in recent rowtype-handling improvements: transformTargetList 22 years ago
parse_node.c Support assignment to subfields of composite columns in UPDATE and INSERT. 22 years ago
parse_oper.c Use the new List API function names throughout the backend, and disable the 22 years ago
parse_relation.c Repair some issues with column aliases and RowExpr construction in the 22 years ago
parse_target.c Repair some issues with column aliases and RowExpr construction in the 22 years ago
parse_type.c Infrastructure for I/O of composite types: arrange for the I/O routines 22 years ago
parser.c Replace max_expr_depth parameter with a max_stack_depth parameter that 22 years ago
scan.l Remove some no-longer-needed #includes. 22 years ago
scansup.c Implement a solution to the 'Turkish locale downcases I incorrectly' 22 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