diff --git a/store/postgres/sql_typecasters.go b/store/postgres/sql_typecasters.go
index 9669d8b14..212e1389f 100644
--- a/store/postgres/sql_typecasters.go
+++ b/store/postgres/sql_typecasters.go
@@ -8,11 +8,11 @@ import (
 func fieldToColumnTypeCaster(field rdbms.ModuleFieldTypeDetector, ident string) (string, error) {
 	switch true {
 	case field.IsBoolean():
-		return fmt.Sprintf("rv_%s.value NOT IN ('', '0', 'false', 'f',  'FALSE', 'F', false)", ident), nil
+		return fmt.Sprintf("CASE WHEN rv_%s.value NOT IN ('', '0', 'false', 'f',  'FALSE', 'F') THEN 1 ELSE 0 END ", ident), nil
 	case field.IsNumeric():
-		return fmt.Sprintf("rv_%s.value::NUMERIC", ident), nil
+		return fmt.Sprintf("CAST('0' || rv_%s.value AS NUMERIC) ", ident), nil
 	case field.IsDateTime():
-		return fmt.Sprintf("rv_%s.value::TIMESTAMP", ident), nil
+		return fmt.Sprintf(`to_timestamp(rv_%s.value,'YYYY-MM-DD\"T\"HH24:MI:SS\"Z\"') `, ident), nil
 	case field.IsRef():
 		return fmt.Sprintf("rv_%s.ref ", ident), nil
 	default: