Created
May 25, 2016 13:37
-
-
Save thinkt4nk/256803f6bcfa0acd8e699e294caee71d to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
QUERY ::= 'SELECT' ('COUNT()' | (FIELD ( ',' FIELD)*)) | |
'FROM' (NAME ('AS' ? NAME)? ('USING' NAME)?) ( ',' NAME ('AS' ? NAME)? ('USING' NAME)?)* | |
('WHERE' CONDITIONEXPR )? | |
('ORDER BY' ORDERBYEXPR)? | |
('LIMIT' POSINTEGER )? | |
FIELD ::= NAME | '(' QUERY ')' | |
CONDITIONEXPR ::= ANDEXPR | OREXPR | NOTEXPR | SIMPLEEXPR | |
ANDEXPR ::= 'AND' SIMPLEEXPR | |
OREXPR ::= 'OR' SIMPLEEXPR | |
NOTEXPR ::= 'NOT' SIMPLEEXPR | |
SIMPLEEXPR ::= '(' CONDITIONEXPR ')' | FIELDEXPR | SETEXPR | |
FIELDEXPR ::= NAME OPERATOR VALUE | |
SETEXPR ::= ( NAME ('includes' | 'excludes' | 'in' | 'not' 'in') '(' VALUE | |
(',' VALUE)* ')' ) | |
ORDERBYEXPR ::= NAME ('asc' | 'desc')? ('nulls' ('first'|'last'))? (',' NAME ('asc' | 'desc')? ('nulls' ('first'|'last'))?)* | |
OPERATOR ::= '=' | '!=' | '<' | '<=' | '>' | '>=' | 'like' | |
LOGICALOPERATOR ::= 'AND' | 'OR ' | 'NOT' | |
VALUE ::= STRING_LITERAL | NUMBER | DATE | DATETIME | NULL | TRUE | FALSE | DATEFORMULA | |
DATEFORMULA ::= TODAY | TOMORROW | LAST_WEEK | THIS_WEEK | NEXT_WEEK | THIS_MONTH | |
| LAST_MONTH | NEXT_MONTH | LAST_90_DAYS | NEXT_90_DAYS | LAST_N_DAYS ':' NUMBER | |
| NEXT_N_DAYS ':' NUMBER | |
NAME ::= LETTER (NAMECHAR)* | |
LETTER ::= 'a'..'z' | 'A'..'Z' | |
NAMECHAR ::= LETTER | DIGIT | '_' | '.' | |
DATE ::= YEAR '-' MONTH '-' DAY | |
DATETIME ::= DATE 'T' HOUR ':' MINUTE ':' SECOND ('Z' | (('+' |'-') HOUR ':' MINUTE)) | |
YEAR ::= DIGIT DIGIT DIGIT DIGIT | |
MONTH ::= '0' '1'..'9' | '1' ('0' | '1' | '2') | |
DAY ::= '0' '1'..'9' | '1'..'2' DIGIT | '3' ('0' | '1') | |
HOUR ::= '0'..'1' DIGIT | '2' '0'..'3' | |
MINUTE ::= '0'..'5' DIGIT | |
SECOND ::= '0'..'5' DIGIT | '60' | |
NULL ::= 'null' | |
TRUE ::= 'true' | |
FALSE ::= 'false' | |
NUMBER ::= '.' POSINTEGER | INTEGER '.' POSINTEGER | |
INTEGER ::= ('+' | '-')? POSINTEGER | |
POSINTEGER ::= DIGIT+ | |
DIGIT ::= '0'..'9' | |
STRING LITERAL ::= "'" (ESC_CHAR | ~("'"|'\''" | |
ESC_CHAR ::= '\'n' | 'r' | 't' | 'b' | 'f' | '"' | "'" | '\' | |
WS ::= S+ | |
S ::= ' ' | '' | ' |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment