including qualified names. We also allow type modifiers. To avoid parsing conflicts against function invocations, the modifiers have to be shown as expr_list here, but parse analysis will only accept constants for them. GenericType涵盖了所有没有标准规定的特殊语法的类型名称,包括限定名称。我们...
{ column_name data_type [ COLLATE collation ] [ column_constraint [ ... ] ] | table_constraint | LIKE source_table [ like_option ... ] } [, ... ] ] ) [ INHERITS (parent_table[, ... ] ) ] [ PARTITION BY { RANGE | LIST | HASH } ( { column_name | ( expression ) } ...
The new query must generate the same columns that were generated by the existing view query (that is, the same column names in the same order and with the same data types), but it may add additional columns to the end of the list. Emphasis added. Share Improve this answer Follow ...
TYPE mood ADD VALUE IF NOT EXISTS 'ok' BEFORE 'fine'; mydb=# \dT+ mood; List of data types Schema | Name | Internal name | Size | Elements | Owner | Access privileges | Description ---+---+---+---+---+---+---+--- public | mood | mood | 4 | sad +| postgres | ...
00063new_list(NodeTag type)00064{00065List *new_list;00066ListCell *new_head;0006700068new_head = (ListCell *) palloc(sizeof(*new_head));00069new_head->next =NULL;00070/*new_head->data is left undefined!*/0007100072new_list = (List *) palloc(sizeof(*new_list));00073new_list->type...
List of data types Schema | Name | Description ---+---+--- public | user_enum | (1 row) test=# select oid from pg_type where typname='user_enum'; oid --- 16902 (1 row) test=# CREATE SCHEMA test; CREATE SCHEMA test=# CREATE TABLE test.test1...
postgres=# \df acl*Listof functionsSchema|Name|Resultdata type|Argumentdata types|Type---+---+---+---+---pg_catalog|aclcontains|boolean|aclitem[],aclitem|func pg_catalog|acldefault|aclitem[]|"char",oid|func pg_catalog|aclexplode|SETOFrecord|acl aclitem[],OUTgrantor oid,OUTgrantee oi...
(sql,idxsuffix,'gin',v_attname,'jsonb_path_ops'));-- 可选默认gin ops-- https://www.postgresql.org/docs/11/static/datatype-json.html#JSON-INDEXING-- res := array_append(res, format(sql,idxsuffix,'gin',v_attname,''));when'tsvector'thenres := array_append(res, format(sql,idx...
DatasetDataElement DatasetDebugResource DatasetFolder DatasetListResponse DatasetLocation DatasetReference DatasetReferenceType DatasetResource DatasetSchemaDataElement DatasetStorageFormat DataworldLinkedService DayOfWeek Db2AuthenticationType Db2LinkedService Db2Source Db2TableDataset DeleteActivity DeleteDataFlowDebugSession...
You can list the data type via \dT+ channels https://www.postgresql.org/docs/current/static/app-psql.html#APP-PSQL-META-COMMANDS Share Improve this answer Follow answered Feb 16, 2018 at 14:36 cesar 10.9k22 gold badges2121 silver badges1717 bronze badges Add a comment 233 select...