Esta es la referencia gramatical del lenguaje de consulta de Google Ads (en notación de expresiones regulares):
Query -> SelectClause FromClause WhereClause? OrderByClause?
LimitClause? ParametersClause?
SelectClause -> SELECT FieldName (, FieldName)*
FromClause -> FROM ResourceName
WhereClause -> WHERE Condition (AND Condition)*
OrderByClause -> ORDER BY Ordering (, Ordering)*
LimitClause -> LIMIT PositiveInteger
ParametersClause -> PARAMETERS Literal = Value (, Literal = Value)*
Condition -> FieldName Operator Value
Operator -> = | != | > | >= | < | <= | IN | NOT IN |
LIKE | NOT LIKE | CONTAINS ANY | CONTAINS ALL |
CONTAINS NONE | IS NULL | IS NOT NULL | DURING |
BETWEEN | REGEXP_MATCH | NOT REGEXP_MATCH
Value -> Literal | LiteralList | Number | NumberList | String |
StringList | Function
Ordering -> FieldName (ASC | DESC)?
FieldName -> [a-z] ([a-zA-Z0-9._])*
ResourceName -> [a-z] ([a-zA-Z_])*
StringList -> ( String (, String)* )
LiteralList -> ( Literal (, Literal)* )
NumberList -> ( Number (, Number)* )
PositiveInteger -> [1-9] ([0-9])*
Number -> -? [0-9]+ (. [0-9] [0-9]*)?
String -> (' Char* ') | (" Char* ")
Literal -> [a-zA-Z0-9_]*
Function -> LAST_14_DAYS | LAST_30_DAYS | LAST_7_DAYS |
LAST_BUSINESS_WEEK | LAST_MONTH | LAST_WEEK_MON_SUN |
LAST_WEEK_SUN_SAT | THIS_MONTH | THIS_WEEK_MON_TODAY |
THIS_WEEK_SUN_TODAY | TODAY | YESTERDAY
?indica un elemento opcional. * significa cero o más; + significa uno o más (xxxxxx) indica una agrupación [a-z0-9] significa los rangos de caracteres | significa "o"
Para hacer coincidir un [, ], % o _ literal con el operador LIKE, enciérralos
el carácter entre corchetes. Por ejemplo, la siguiente condición coincide
todos los valores campaign.name que comienzan con [Earth_to_Mars]:
campaign.name LIKE '[[]Earth[_]to[_]Mars[]]%'
El operador LIKE solo se puede usar en un campo de cadena, no en un array.