CombinedLexeme

This class represents a combination of two search lexemes or expressions using a specific connector, such as a logical operator. It provides functionality to compile the combined expression into SQL and supports logical inversion through the application of De Morgan's theorem.

Methods

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as_sql()

@classmethod
def as_sql(
    compiler: [SQLCompiler](../../../db/models/sql/compiler/sqlcompiler.md?sid=django_db_models_sql_compiler_sqlcompiler),
    connection: DatabaseConnection
) - > tuple

Generates the SQL representation for the combined lexeme by compiling the left and right hand expressions and joining them with the appropriate connector.

Parameters

Name	Type	Description
compiler	[SQLCompiler](../../../db/models/sql/compiler/sqlcompiler.md?sid=django_db_models_sql_compiler_sqlcompiler)	The compiler instance used to generate the SQL string for the expressions.
connection	DatabaseConnection	The current database connection used to handle backend-specific SQL generation.

Returns

Type	Description
tuple	A tuple containing the SQL placeholder string and a list containing the formatted combined SQL value.

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