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SHOW CREATE TABLE now supports views. It returns a CREATE VIEW statement with column names and the original sql statement. Authorization allows SHOW CREATE TABLE to be run on view if the user has VIEW_METADATA privilege on the view and SELECT privilege on all underlying views and table. E.g. "SHOW CREATE TABLE some_view" returns output of form: CREATE VIEW a_database.some_view (id, bool_col, tinyint_col) AS SELECT id, bool_col, tinyint_col FROM functional.alltypes Change-Id: Id633af2f5c1f5b0e01c13ed85c4bf9c045dc0666 Reviewed-on: http://gerrit.cloudera.org:8080/713 Reviewed-by: Alex Behm <alex.behm@cloudera.com> Tested-by: Internal Jenkins
308 lines
7.6 KiB
Plaintext
308 lines
7.6 KiB
Plaintext
====
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---- CREATE_TABLE
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# Simple table
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CREATE TABLE test1 (
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id INT
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)
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STORED AS TEXTFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test1 (
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id INT
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)
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# simple table with all types
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CREATE TABLE test2 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment',
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bool_col BOOLEAN,
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tinyint_col TINYINT,
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smallint_col SMALLINT,
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int_col INT,
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bigint_col BIGINT,
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float_col FLOAT,
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double_col DOUBLE,
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date_string_col STRING,
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string_col STRING,
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timestamp_col TIMESTAMP
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)
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STORED AS TEXTFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test2 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment',
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bool_col BOOLEAN,
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tinyint_col TINYINT,
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smallint_col SMALLINT,
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int_col INT,
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bigint_col BIGINT,
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float_col FLOAT,
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double_col DOUBLE,
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date_string_col STRING,
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string_col STRING,
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timestamp_col TIMESTAMP
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)
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# all types and partitioned
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CREATE TABLE test3 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment',
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bool_col BOOLEAN,
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tinyint_col TINYINT,
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smallint_col SMALLINT,
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int_col INT,
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bigint_col BIGINT,
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float_col FLOAT,
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double_col DOUBLE,
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date_string_col STRING,
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string_col STRING,
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timestamp_col TIMESTAMP
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)
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PARTITIONED BY (
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x INT,
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y INT,
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a BOOLEAN
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)
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STORED AS TEXTFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test3 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment',
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bool_col BOOLEAN,
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tinyint_col TINYINT,
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smallint_col SMALLINT,
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int_col INT,
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bigint_col BIGINT,
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float_col FLOAT,
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double_col DOUBLE,
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date_string_col STRING,
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string_col STRING,
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timestamp_col TIMESTAMP
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)
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PARTITIONED BY (
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x INT,
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y INT,
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a BOOLEAN
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)
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# With a table comment
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CREATE TABLE test4 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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COMMENT 'This is a test'
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STORED AS TEXTFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test4 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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COMMENT 'This is a test'
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# With the row format specified
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CREATE TABLE test5 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' ESCAPED BY '\\' LINES TERMINATED BY '\n'
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STORED AS TEXTFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test5 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' ESCAPED BY '\\' LINES TERMINATED BY '\n'
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WITH SERDEPROPERTIES ('line.delim'='\n', 'field.delim'=',',
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'serialization.format'=',', 'escape.delim'='\\')
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# testing with parquet specified
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CREATE TABLE test6 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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STORED AS PARQUET
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test6 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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STORED AS PARQUET
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# with extra table properties and sequencefile
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CREATE TABLE test7 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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STORED AS SEQUENCEFILE
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TBLPROPERTIES ('key3'='val3', 'key2'='val2', 'key1'='val1')
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test7 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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STORED AS SEQUENCEFILE
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LOCATION '$$location_uri$$'
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TBLPROPERTIES ('key3'='val3', 'key2'='val2', 'key1'='val1')
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====
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---- CREATE_TABLE
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# testing with rcfile specified
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CREATE TABLE test8 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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STORED AS RCFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test8 (
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year INT,
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month INT,
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id INT COMMENT 'Add a comment'
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)
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STORED AS RCFILE
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LOCATION '$$location_uri$$'
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====
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---- CREATE_TABLE
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# Test create table as select
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CREATE TABLE test_as_select (
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id INT,
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bool_col BOOLEAN,
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tinyint_col TINYINT,
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smallint_col SMALLINT,
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int_col INT,
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bigint_col BIGINT,
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float_col FLOAT,
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double_col DOUBLE,
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date_string_col STRING,
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string_col STRING,
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timestamp_col TIMESTAMP,
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year INT,
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month INT
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)
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STORED AS TEXTFILE
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---- RESULTS
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CREATE TABLE show_create_table_test_db.test_as_select (
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id INT,
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bool_col BOOLEAN,
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tinyint_col TINYINT,
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smallint_col SMALLINT,
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int_col INT,
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bigint_col BIGINT,
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float_col FLOAT,
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double_col DOUBLE,
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date_string_col STRING,
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string_col STRING,
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timestamp_col TIMESTAMP,
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year INT,
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month INT
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)
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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====
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---- QUERY
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SHOW CREATE TABLE functional_text_lzo.tinytable
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---- RESULTS
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CREATE EXTERNAL TABLE functional_text_lzo.tinytable (
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a STRING,
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b STRING
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)
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ROW FORMAT DELIMITED FIELDS TERMINATED BY ','
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STORED AS INPUTFORMAT 'com.hadoop.mapred.DeprecatedLzoTextInputFormat'
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OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
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LOCATION '$$location_uri$$'
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====
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---- QUERY
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SHOW CREATE TABLE functional.allcomplextypes
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---- RESULTS
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CREATE EXTERNAL TABLE functional.allcomplextypes (
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id INT,
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int_array_col ARRAY<INT>,
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array_array_col ARRAY<ARRAY<INT>>,
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map_array_col ARRAY<MAP<STRING,INT>>,
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struct_array_col ARRAY<STRUCT<f1:BIGINT,f2:STRING>>,
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int_map_col MAP<STRING,INT>,
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array_map_col MAP<STRING,ARRAY<INT>>,
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map_map_col MAP<STRING,MAP<STRING,INT>>,
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struct_map_col MAP<STRING,STRUCT<f1:BIGINT,f2:STRING>>,
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int_struct_col STRUCT<f1:INT,f2:INT>,
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complex_struct_col STRUCT<f1:INT,f2:ARRAY<INT>,f3:MAP<STRING,INT>>,
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nested_struct_col STRUCT<f1:INT,f2:STRUCT<f11:BIGINT,f12:STRUCT<f21:BIGINT>>>,
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complex_nested_struct_col STRUCT<f1:INT,f2:ARRAY<STRUCT<f11:BIGINT,f12:MAP<STRING,STRUCT<f21:BIGINT>>>>>
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)
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PARTITIONED BY (
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year INT,
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month INT
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)
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ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' ESCAPED BY '\\'
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WITH SERDEPROPERTIES ('field.delim'=',', 'serialization.format'=',', 'escape.delim'='\\')
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STORED AS TEXTFILE
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LOCATION '$$location_uri$$'
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TBLPROPERTIES ('transient_lastDdlTime'='1405990341')
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====
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---- QUERY
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SHOW CREATE TABLE functional.alltypes_view
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---- RESULTS
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CREATE VIEW functional.alltypes_view AS
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SELECT * FROM functional.alltypes
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====
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---- CREATE_VIEW
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# View with column aliases
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CREATE VIEW column_aliases_view (foo, bar, baz) AS
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SELECT tinyint_col, id, bigint_col
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FROM functional.alltypes;
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---- RESULTS
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# A view with column aliases is expanded into a SELECT with an inline view.
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CREATE VIEW show_create_table_test_db.column_aliases_view AS
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SELECT column_aliases_view.tinyint_col foo, column_aliases_view.id bar, column_aliases_view.bigint_col baz FROM (SELECT tinyint_col, id, bigint_col FROM functional.alltypes) column_aliases_view
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====
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---- QUERY
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# Test views referencing views.
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SHOW CREATE TABLE functional.view_view;
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---- RESULTS
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CREATE VIEW functional.view_view AS
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SELECT * FROM functional.alltypes_view
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====
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---- QUERY
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# Test complex views with multiple tables and Hive-style column aliases.
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SHOW CREATE TABLE functional.complex_view
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---- RESULTS
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CREATE VIEW functional.complex_view AS
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SELECT complex_view.`_c0` abc, complex_view.string_col xyz FROM (SELECT count(a.bigint_col), b.string_col FROM functional.alltypesagg a INNER JOIN functional.alltypestiny b ON a.id = b.id WHERE a.bigint_col < 50 GROUP BY b.string_col HAVING count(a.bigint_col) > 1 ORDER BY b.string_col ASC LIMIT 100) complex_view
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====
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---- CREATE_VIEW
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# Test that identifiers are correctly quoted.
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CREATE VIEW _quote_view (_foo, bar) AS
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SELECT tinyint_col, id _id
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FROM functional.alltypes;
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---- RESULTS
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CREATE VIEW show_create_table_test_db.`_quote_view` AS
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SELECT `_quote_view`.tinyint_col `_foo`, `_quote_view`.`_id` bar FROM (SELECT tinyint_col, id `_id` FROM functional.alltypes) `_quote_view`
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====
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