struct Prostore::Steps::Kind::BackfillSqlExpr

Overview

BackfillSqlExpr issues a single server-side UPDATE for existing rows whose value is still NULL. Crystal-lambda backfills use the chunked form below.

prostore/steps/step.cr

#clone
#column_name : String
#copy_with(table_name _table_name = @table_name, column_name _column_name = @column_name, sql_expr _sql_expr = @sql_expr)
#sql_expr : String
#table_name : String

def self.new(table_name : String, column_name : String, sql_expr : String) #

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def clone #

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def column_name : String #

def copy_with(table_name _table_name = @table_name, column_name _column_name = @column_name, sql_expr _sql_expr = @sql_expr) #

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def sql_expr : String #

def table_name : String #