replace
Represents the SQL statement that either inserts a new row into a table, or, if insertion would violate a unique constraint, first deletes the existing row before inserting a new row.
Note: This operation is not supported by all vendors, please check the documentation.
Samples
org.jetbrains.exposed.sql.tests.shared.dml.ReplaceTests.testReplaceWithExpressionRepresents the SQL statement that uses data retrieved from a selectQuery to either insert a new row into a table, or, if insertion would violate a unique constraint, first delete the existing row before inserting a new row.
Note: This operation is not supported by all vendors, please check the documentation.
Return
The number of inserted (and possibly deleted) rows, or null
if nothing was retrieved after statement execution.
Parameters
Source SELECT
query that provides the values to insert.
Columns to either insert values into or delete values from then insert into. This defaults to all columns in the table that are not auto-increment columns without a valid sequence to generate new values.