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alter ob_tcp_invited_nodes max_length=64K

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This commit is contained in:
zhjc1124
2023-10-12 02:39:55 +00:00
committed by ob-robot
parent fc85a979ab
commit e621b30dd9
15 changed files with 46 additions and 658 deletions
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29
src/sql/engine/expr/ob_expr_get_sys_var.cpp
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@ -79,14 +79,27 @@ int ObExprGetSysVar::calc_result_type2(ObExprResType &type,
}
if (ob_is_string_type(data_type)) {
type.set_collation_level(CS_LEVEL_SYSCONST);
type.set_length(OB_MAX_SYS_VAR_VAL_LENGTH);
if (is_oracle_mode()) {
type.set_collation_type(session->get_nls_collation());
type.set_length_semantics(session->get_actual_nls_length_semantics());
} else {
ObCollationType conn_coll = CS_TYPE_INVALID;
OZ(session->get_collation_connection(conn_coll));
OX(type.set_collation_type(conn_coll));
int64_t sys_var_val_length = OB_MAX_SYS_VAR_VAL_LENGTH;
if (0 == var_name.compare(OB_SV_TCP_INVITED_NODES)) {
uint64_t data_version = 0;
if (OB_FAIL(GET_MIN_DATA_VERSION(session->get_effective_tenant_id(), data_version))) {
LOG_WARN("fail to get sys data version", KR(ret));
} else if (data_version >= DATA_VERSION_4_2_1_1) {
sys_var_val_length = OB_MAX_TCP_INVITED_NODES_LENGTH;
}
}
if (OB_SUCC(ret)) {
type.set_length(sys_var_val_length);
if (is_oracle_mode()) {
type.set_collation_type(session->get_nls_collation());
type.set_length_semantics(session->get_actual_nls_length_semantics());
} else {
ObCollationType conn_coll = CS_TYPE_INVALID;
OZ(session->get_collation_connection(conn_coll));
OX(type.set_collation_type(conn_coll));
}
}
}
}