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[SCHEMA] Fix schema object overwrite problem

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This commit is contained in:
tino247
2024-03-12 10:15:01 +00:00
committed by ob-robot
parent 8475beca3f
commit fefe6aec9a
16 changed files with 242 additions and 232 deletions
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15
src/sql/resolver/ddl/ob_create_table_resolver.cpp
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@ -1939,11 +1939,16 @@ int ObCreateTableResolver::resolve_table_elements_from_select(const ParseNode &p
ObColumnSchemaV2 *org_column = table_schema.get_column_schema(column.get_column_name());
if (OB_NOT_NULL(org_column)) {
//同名列存在, 为了和mysql保持一致, 需要调整原列的顺序
ObColumnSchemaV2 new_column(*org_column);
new_column.set_column_id(gen_column_id());
new_column.set_prev_column_id(UINT64_MAX);
new_column.set_next_column_id(UINT64_MAX);
if (1 == table_schema.get_column_count()) {
ObColumnSchemaV2 new_column;
if (OB_FAIL(new_column.assign(*org_column))) {
LOG_WARN("fail to assign column", KR(ret), KPC(org_column));
} else {
new_column.set_column_id(gen_column_id());
new_column.set_prev_column_id(UINT64_MAX);
new_column.set_next_column_id(UINT64_MAX);
}
if (OB_FAIL(ret)) {
} else if (1 == table_schema.get_column_count()) {
//do nothing, 只有一列就不用调整了
if (OB_FAIL(set_nullable_for_cta_column(select_stmt, *org_column, expr, table_name_, *allocator_, stmt_))) {
LOG_WARN("failed to check and set nullable for cta.", K(ret));