adding new tokens
This commit is contained in:
parent
d4e2f7eb07
commit
9de86673dc
@ -4,7 +4,7 @@ open Ast
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%}
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%token CREATE TABLE
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%token SELECT ALL DISTINCT FROM WHERE HAVING BETWEEN IN LIKE
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%token SELECT ALL DISTINCT FROM WHERE HAVING BETWEEN IN LIKE IS
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%token LEFT RIGHT FULL INNER OUTER
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%token CROSS NATURAL UNION JOIN
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%token GREATER_THAN_OPERATOR LESS_THAN_OPERATOR EQUALS_OPERATOR
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@ -16,6 +16,9 @@ open Ast
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%token ASTERISK
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%token AS ON GROUP BY FILTER
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%token OR AND NOT
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%token TRUE FALSE UNKNOWN
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%token PLUS_SIGN MINUS_SIGN INTEGER FLOAT
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%token UNDERSCORE QUOTE
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%token EOF
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%start main
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%type <query> main
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@ -25,122 +28,168 @@ open Ast
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main:
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| query_specification EOF { Query($1) }
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query_specification :
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| SELECT select_list table_expression { Select($2, $3) }
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| SELECT set_quantifier select_list table_expression { Select($3, $4) }
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(* 5.2 TOKEN / SEPARATOR *)
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set_quantifier :
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| ALL {}
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| DISTINCT {}
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concatenation_operator:
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| PIPE PIPE {}
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select_list :
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| ASTERISK { [Asterisk] }
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| select_sublist {$1}
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not_equals_operator :
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| LESS_THAN_OPERATOR GREATER_THAN_OPERATOR {}
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select_sublist :
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| IDENT { [Column($1)] }
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| select_sublist COMMA IDENT { Column($3)::$1 }
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less_than_or_equals_operator:
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| LESS_THAN_OPERATOR EQUALS_OPERATOR {}
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derived_column:
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| value_expression {}
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| value_expression as_clause {}
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greater_than_or_equals_operator:
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| GREATER_THAN_OPERATOR EQUALS_OPERATOR {}
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as_clause :
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| AS column_name {}
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| column_name {}
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(*********************)
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(* 5.3 LITERAL *)
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literal :
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| signed_numeric_literal {}
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| general_literal {}
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unsigned_literal:
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(* | unsigned_numeric_literal {}*)
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| general_literal {}
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general_literal:
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| character_string_literal {}
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character_string_literal:
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| QUOTE IDENT QUOTE {}
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introducer:
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| UNDERSCORE { }
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signed_numeric_literal:
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| sign unsigned_numeric_literal {}
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| unsigned_numeric_literal {}
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unsigned_numeric_literal :
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| exact_numeric_literal {}
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exact_numeric_literal:
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| FLOAT {}
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sign:
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| PLUS_SIGN {}
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| MINUS_SIGN {}
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(***********)
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(* 5.4 NAMES AND IDENTIFIER *)
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column_name :
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| IDENT {}
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table_name :
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| IDENT { Table($1) }
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(****************************)
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character_value_expression:
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(* | concatenation {} *)
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| character_factor { $1 }
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(* 6. SCALAR EXPRESSION *)
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(* 6.3 VALUE EXPRESSION PRIMARY *)
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value_expression_primary:
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| parenthesized_value_expression { $1 }
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| nonparenthesized_value_expression_primary { $1 }
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parenthesized_value_expression:
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| LEFT_PAREN value_expression RIGHT_PAREN { $2 }
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nonparenthesized_value_expression_primary:
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| column_reference { $1 }
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(***************************)
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(* 6.4 VALUE SPECIFCATION / TARGET SPECIFICATION *)
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unsigned_value_specification:
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| unsigned_literal {}
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| general_value_specification {}
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general_value_specification:
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| {}
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(*********************************************)
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(* 6.6 IDENTIFIER CHAIN *)
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basic_identifier_chain:
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| identifier_chain { $1 }
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identifier_chain:
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| IDENT { $1 }
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(*| identifier_chain DOT IDENT {}*)
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(************************)
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(* 6.7 COLUMN REFERENCE *)
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column_reference:
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| basic_identifier_chain { $1 }
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(************************)
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(* 6.9 SET FUCTION SPECIFICATION *)
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set_function_specification:
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| aggregate_function { $1 }
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(*********************************)
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(* 6.25 VALUE EXPRESSION *)
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value_expression:
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| common_value_expression {}
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common_value_expression:
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| reference_value_expression {}
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(*| numeric_value_expression {}*)
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(*| string_value_expression {} *)
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| reference_value_expression { $1 }
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reference_value_expression:
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| value_expression_primary {}
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| value_expression_primary { $1 }
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value_expression_primary:
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| parenthesized_value_expression {}
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| nonparenthesized_value_expression_primary {}
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(*************************)
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parenthesized_value_expression:
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| LEFT_PAREN value_expression RIGHT_PAREN {}
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(* 6.28 STRING VALUE EXPRESSION *)
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table_expression:
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| from_clause { $1 }
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| from_clause where_clause { $1 }
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string_value_expression :
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| character_value_expression {}
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(* | blob_value_expression {} *)
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from_clause :
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| FROM table_reference_list { $2 }
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character_primary:
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| value_expression_primary { $1 }
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(* | string_value_function {} *)
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table_reference_list :
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| table_reference { [$1] }
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| table_reference_list COMMA table_reference { $3::$1 }
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concatenation:
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| character_value_expression concatenation_operator character_factor {}
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table_reference :
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| table_primary_or_joined_table { $1 }
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(* | table_primary_or_joined_table sample_clause { $1 } *)
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character_factor :
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| character_primary { $1 }
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table_primary_or_joined_table:
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| table_primary { $1 }
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| joined_table { $1 }
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(********************************)
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table_primary :
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| table_or_query_name { $1 }
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(* 6.29 STRING VALUE FUNCTION *)
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table_or_query_name:
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| table_name { $1 }
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string_value_function:
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| character_value_function {}
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joined_table :
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| cross_join { $1 }
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| qualified_join { $1 }
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| natural_join { $1 }
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| union_join { $1 }
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character_value_function :
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| {}
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cross_join:
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| table_reference CROSS JOIN table_primary { Join($1, Cross, $4, None) }
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(*************************)
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qualified_join:
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| table_reference JOIN table_reference join_specification { Join($1, Left, $3, $4) }
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| table_reference join_type JOIN table_reference join_specification { Join($1, $2, $4, $5) }
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join_specification:
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| join_condition { $1 }
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join_condition:
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| ON search_condition { Some($2) }
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natural_join:
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| table_reference NATURAL JOIN table_primary { Join($1, Natural, $4, None) }
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| table_reference NATURAL join_type JOIN table_primary { Join($1, Natural, $5, None) }
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union_join:
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| table_reference UNION JOIN table_primary { Join($1, Union, $4, None) }
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table_name :
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| IDENT { Table($1) }
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join_type:
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| INNER { Inner }
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| outer_join_type { $1 }
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| outer_join_type OUTER { $1 }
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outer_join_type:
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| LEFT { Left }
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| RIGHT { Right }
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| FULL { Full }
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where_clause :
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| WHERE search_condition { }
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having_clause :
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| HAVING search_condition {}
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search_condition:
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(*| IDENT EQUALS_OPERATOR IDENT {}*)
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| boolean_value_expression { $1 }
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(* 6.34 BOOLEAN VALUE EXPRESSION *)
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boolean_value_expression:
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| boolean_term { $1 }
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@ -156,147 +205,150 @@ boolean_factor:
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boolean_test:
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| boolean_primary { $1 }
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| boolean_primary IS truth_value { $1 }
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| boolean_primary IS NOT truth_value { $1 }
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truth_value:
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| TRUE {}
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| FALSE {}
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| UNKNOWN {}
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boolean_primary :
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| predicate { $1 }
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(*| boolean_predicand {}*)
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predicate :
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| comparison_predicate { $1 }
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| between_predicate { $1 }
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| in_predicate { $1 }
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(* | like_predicate { $1 } *)
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boolean_predicand:
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| parenthesized_boolean_value_expression {}
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| nonparenthesized_value_expression_primary {}
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comparison_predicate :
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| row_value_predicand comparison_predicate_part2 { Condition($1, $2) }
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parenthesized_boolean_value_expression:
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| LEFT_PAREN boolean_value_expression RIGHT_PAREN {}
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comparison_predicate_part2:
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| comp_op row_value_predicand { Comparison($1, $2) }
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(****************************)
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between_predicate :
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| row_value_predicand between_predicate_part2 { Condition($1, $2) }
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(************************)
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between_predicate_part2 :
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| BETWEEN between_symetry row_value_predicand AND row_value_predicand { Between($3, $5) }
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| NOT BETWEEN between_symetry row_value_predicand AND row_value_predicand {NotBetween($4, $6) }
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(* 7. QUERY EXPRESSION *)
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between_symetry :
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| {}
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| ASYMMETRIC {}
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| SYMMETRIC {}
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(* 7.1 ROW VALUE CONSTRUCTOR *)
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in_predicate :
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| row_value_predicand in_predicate_part2 { Condition($1, $2) }
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row_value_constructor_predicand:
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| common_value_expression { $1 }
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in_predicate_part2:
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| IN in_predicate_value { In($2) }
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| NOT IN in_predicate_value { NotIn($3) }
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(*************************)
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in_predicate_value:
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| LEFT_PAREN in_value_list RIGHT_PAREN { $2 }
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in_value_list:
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| row_value_expression { [$1] }
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| in_value_list COMMA row_value_expression { $3::$1 }
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like_predicate :
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| character_like_predicate { $1 }
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character_like_predicate :
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| row_value_predicand character_like_predicate_part2 { }
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character_like_predicate_part2:
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| LIKE character_pattern {}
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| NOT LIKE character_pattern {}
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character_pattern :
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| character_value_expression {}
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character_value_expression:
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| concatenation {}
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| character_factor {}
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concatenation:
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| character_value_expression concatenation_operator character_factor {}
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character_factor :
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| character_primary {}
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character_primary:
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| value_expression_primary {}
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(* | string_value_function {} *)
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concatenation_operator:
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| PIPE PIPE {}
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(* 7.2 ROW VALUE EXPRESION *)
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row_value_expression :
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| row_value_special_case { $1 }
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comp_op :
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| EQUALS_OPERATOR { Equals }
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| not_equals_operator { NotEquals }
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| LESS_THAN_OPERATOR { LessThan }
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| GREATER_THAN_OPERATOR { GreaterThan }
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| less_than_or_equals_operator { LessEquals }
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| greater_than_or_equals_operator { GreaterEquals }
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not_equals_operator :
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| LESS_THAN_OPERATOR GREATER_THAN_OPERATOR {}
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less_than_or_equals_operator:
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| LESS_THAN_OPERATOR EQUALS_OPERATOR {}
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greater_than_or_equals_operator:
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| GREATER_THAN_OPERATOR EQUALS_OPERATOR {}
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row_value_predicand:
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| row_value_special_case { $1 }
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(* | row_value_constructor_predicand { $1 } *)
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row_value_special_case :
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| nonparenthesized_value_expression_primary { $1 }
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nonparenthesized_value_expression_primary:
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| column_reference { $1 }
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(* | set_function_specification { $1 }*)
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(***********************)
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set_function_specification:
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| aggregate_function { $1 }
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(* 7.3 TABLE VALUE CONSTRUCTOR *)
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aggregate_function:
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| COUNT LEFT_PAREN ASTERISK RIGHT_PAREN { Asterisk }
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| COUNT LEFT_PAREN ASTERISK RIGHT_PAREN filter_clause { Asterisk }
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| general_set_function { $1 }
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| general_set_function filter_clause { $1 }
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(*******************************)
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general_set_function:
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| set_function_type LEFT_PAREN value_expression RIGHT_PAREN { $3 }
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| set_function_type LEFT_PAREN set_quantifier value_expression RIGHT_PAREN { $4 }
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(* 7.4 TABLE EXPRESSION *)
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set_function_type:
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| computationnal_operation {}
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table_expression:
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| from_clause { $1 }
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| from_clause where_clause { $1 }
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computationnal_operation:
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| AVG {}
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| MAX {}
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| MIN {}
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| SUM {}
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| COUNT {}
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(************************)
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filter_clause :
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| FILTER LEFT_PAREN WHERE search_condition RIGHT_PAREN {}
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(* 7.5 FROM CLAUSE *)
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column_reference:
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| basic_identifier_chain { $1 }
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from_clause :
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| FROM table_reference_list { $2 }
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basic_identifier_chain:
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| identifier_chain { $1 }
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table_reference_list :
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| table_reference { [$1] }
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| table_reference_list COMMA table_reference { $3::$1 }
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identifier_chain:
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| IDENT { $1 }
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(*| identifier_chain DOT IDENT {}*)
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(*******************)
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boolean_predicand:
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| nonparenthesized_value_expression_primary {}
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(* 7.6 TABLE REFERENCE *)
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table_reference :
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| table_primary_or_joined_table { $1 }
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(* | table_primary_or_joined_table sample_clause { $1 } *)
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table_primary_or_joined_table:
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| table_primary { $1 }
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| joined_table { $1 }
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table_primary :
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| table_or_query_name { $1 }
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table_or_query_name:
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| table_name { $1 }
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(***********************)
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(* 7.7 JOINED TABLE *)
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joined_table :
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| cross_join { $1 }
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| qualified_join { $1 }
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| natural_join { $1 }
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| union_join { $1 }
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cross_join:
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| table_reference CROSS JOIN table_primary { Join($1, Cross, $4, None) }
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qualified_join:
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| table_reference JOIN table_reference join_specification { Join($1, Left, $3, $4) }
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| table_reference join_type JOIN table_reference join_specification { Join($1, $2, $4, $5) }
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natural_join:
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| table_reference NATURAL JOIN table_primary { Join($1, Natural, $4, None) }
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| table_reference NATURAL join_type JOIN table_primary { Join($1, Natural, $5, None) }
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union_join:
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| table_reference UNION JOIN table_primary { Join($1, Union, $4, None) }
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join_specification:
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| join_condition { $1 }
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(* | named_columns_join {} *)
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join_condition:
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| ON search_condition { Some($2) }
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join_type:
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| INNER { Inner }
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| outer_join_type { $1 }
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| outer_join_type OUTER { $1 }
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outer_join_type:
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| LEFT { Left }
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| RIGHT { Right }
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| FULL { Full }
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(*
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named_columns_join:
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| USING LEFT_PAREN join_column_list RIGHT_PAREN {}
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join_column_list :
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| column_name_list {}
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*)
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(********************)
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(* 7.8 WHERE CLAUSE *)
|
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where_clause :
|
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| WHERE search_condition { $2 }
|
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|
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(********************)
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(* 7.9 GROUP BY CLAUSE *)
|
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group_by_clause:
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| GROUP BY grouping_element_list {}
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@ -316,5 +368,198 @@ grouping_column_reference:
|
||||
| column_reference {}
|
||||
(*| column_reference collate_clause {}*)
|
||||
|
||||
(***********************)
|
||||
|
||||
(* 7.10 HAVING CLAUSE *)
|
||||
|
||||
having_clause :
|
||||
| HAVING search_condition { $2 }
|
||||
|
||||
(**********************)
|
||||
|
||||
(* 7.11 WINDOW CLAUSE *)
|
||||
|
||||
(**********************)
|
||||
|
||||
(* 7.12 QUERY SPECIFICATION *)
|
||||
|
||||
query_specification :
|
||||
| SELECT select_list table_expression { Select($2, $3, None) }
|
||||
| SELECT set_quantifier select_list table_expression { Select($3, $4, None) }
|
||||
|
||||
select_list :
|
||||
| ASTERISK { [Asterisk] }
|
||||
| select_sublist {$1}
|
||||
|
||||
select_sublist :
|
||||
| IDENT { [Column($1)] }
|
||||
| select_sublist COMMA IDENT { Column($3)::$1 }
|
||||
|
||||
select_sublist_element :
|
||||
| derived_column {}
|
||||
| qualified_asterisk {}
|
||||
|
||||
qualified_asterisk:
|
||||
| asterisked_identifier_chain {}
|
||||
|
||||
asterisked_identifier_chain:
|
||||
| asterisked_identifier {}
|
||||
| asterisked_identifier_chain DOT asterisked_identifier {}
|
||||
|
||||
asterisked_identifier :
|
||||
| IDENT {}
|
||||
|
||||
derived_column:
|
||||
| value_expression {}
|
||||
| value_expression as_clause {}
|
||||
|
||||
as_clause :
|
||||
| AS column_name {}
|
||||
| column_name {}
|
||||
|
||||
(****************************)
|
||||
|
||||
(* 7.13 QUERY EXPRESSION *)
|
||||
|
||||
(*************************)
|
||||
|
||||
(* 7.14 SEARCH OR CYCLE CLAUSE *)
|
||||
|
||||
(*******************************)
|
||||
|
||||
(* 7.15 SUBQUERY *)
|
||||
(*****************)
|
||||
|
||||
(***********************)
|
||||
|
||||
(* 8. PREDICATES *)
|
||||
|
||||
(* 8.1 PREDICATE *)
|
||||
|
||||
predicate :
|
||||
| comparison_predicate { $1 }
|
||||
| between_predicate { $1 }
|
||||
| in_predicate { $1 }
|
||||
(* | like_predicate { $1 }*)
|
||||
|
||||
(*****************)
|
||||
|
||||
(* 8.2 COMPARISON PREDICATE *)
|
||||
|
||||
comparison_predicate :
|
||||
| row_value_predicand comparison_predicate_part2 { Condition($1, $2) }
|
||||
|
||||
comparison_predicate_part2:
|
||||
| comp_op row_value_predicand { Comparison($1, $2) }
|
||||
|
||||
comp_op :
|
||||
| EQUALS_OPERATOR { Equals }
|
||||
| not_equals_operator { NotEquals }
|
||||
| LESS_THAN_OPERATOR { LessThan }
|
||||
| GREATER_THAN_OPERATOR { GreaterThan }
|
||||
| less_than_or_equals_operator { LessEquals }
|
||||
| greater_than_or_equals_operator { GreaterEquals }
|
||||
|
||||
(****************************)
|
||||
|
||||
(* 8.3 BETWEEN PREDICATE *)
|
||||
|
||||
between_predicate :
|
||||
| row_value_predicand between_predicate_part2 { Condition($1, $2) }
|
||||
|
||||
between_predicate_part2 :
|
||||
| BETWEEN between_symetry row_value_predicand AND row_value_predicand { Between($3, $5) }
|
||||
| NOT BETWEEN between_symetry row_value_predicand AND row_value_predicand {NotBetween($4, $6) }
|
||||
|
||||
between_symetry :
|
||||
| {}
|
||||
| ASYMMETRIC {}
|
||||
| SYMMETRIC {}
|
||||
|
||||
(*************************)
|
||||
|
||||
(* 8.4 IN PREDICATE *)
|
||||
|
||||
in_predicate :
|
||||
| row_value_predicand in_predicate_part2 { Condition($1, $2) }
|
||||
|
||||
in_predicate_part2:
|
||||
| IN in_predicate_value { In($2) }
|
||||
| NOT IN in_predicate_value { NotIn($3) }
|
||||
|
||||
in_predicate_value:
|
||||
| LEFT_PAREN in_value_list RIGHT_PAREN { $2 }
|
||||
|
||||
in_value_list:
|
||||
| row_value_expression { [$1] }
|
||||
| in_value_list COMMA row_value_expression { $3::$1 }
|
||||
|
||||
(********************)
|
||||
|
||||
(* 8.5 LIKE PREDICATE *)
|
||||
|
||||
like_predicate :
|
||||
| character_like_predicate { $1 }
|
||||
|
||||
character_like_predicate :
|
||||
| row_value_predicand character_like_predicate_part2 { Condition($1, $2) }
|
||||
|
||||
character_like_predicate_part2:
|
||||
| LIKE character_pattern { Like($2) }
|
||||
| NOT LIKE character_pattern { NotLike($3) }
|
||||
|
||||
character_pattern :
|
||||
| character_value_expression { $1 }
|
||||
|
||||
(**********************)
|
||||
|
||||
(* 8.6 SIMILAR PREDICATE *)
|
||||
|
||||
(*************************)
|
||||
|
||||
(* 8.19 SEARCH CONDITION *)
|
||||
|
||||
search_condition:
|
||||
| boolean_value_expression { $1 }
|
||||
|
||||
(*************************)
|
||||
|
||||
(*****************)
|
||||
|
||||
(* 10 ADDITIONAL COMMON ELEMENTS *)
|
||||
|
||||
(* 10.9 AGGREGATE FUNCTION *)
|
||||
|
||||
aggregate_function:
|
||||
| COUNT LEFT_PAREN ASTERISK RIGHT_PAREN { Asterisk }
|
||||
| COUNT LEFT_PAREN ASTERISK RIGHT_PAREN filter_clause { Asterisk }
|
||||
| general_set_function { $1 }
|
||||
| general_set_function filter_clause { $1 }
|
||||
|
||||
general_set_function:
|
||||
| set_function_type LEFT_PAREN value_expression RIGHT_PAREN { $3 }
|
||||
| set_function_type LEFT_PAREN set_quantifier value_expression RIGHT_PAREN { $4 }
|
||||
|
||||
set_function_type:
|
||||
| computationnal_operation {}
|
||||
|
||||
set_quantifier :
|
||||
| ALL {}
|
||||
| DISTINCT {}
|
||||
|
||||
filter_clause :
|
||||
| FILTER LEFT_PAREN WHERE search_condition RIGHT_PAREN {}
|
||||
|
||||
computationnal_operation:
|
||||
| AVG {}
|
||||
| MAX {}
|
||||
| MIN {}
|
||||
| SUM {}
|
||||
| COUNT {}
|
||||
|
||||
(***************************)
|
||||
|
||||
(*********************************)
|
||||
|
||||
table_definition :
|
||||
| CREATE TABLE table_name {}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user