Cannot alter data type of distribute column
WebMar 22, 2024 · cannot change data type of view column from numeric to numeric (4,1) I'm trying to calculate a ratio with 1 decimal place. So I created a view using. create or replace view MyView as select cast (A/B as numeric (4, 1)) as ratio from MyTable; http://www.dbaref.com/greenplum-database-dba-references/alteringatablestoragedistributionpolicyingreenplum
Cannot alter data type of distribute column
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WebOct 17, 2024 · Copy the privileges set on the original table to the newly created table. 3. Generate statistics on the newly created table. 4. Rename (or drop) the original table. 5. Rename the newly created table to replace the original table. For example. -- Review current distribution key of original table. WebOct 17, 2024 · 1. Copy the original table to a new table with the revised distribution 2. Copy the privileges set on the original table to the newly created table 3. Generate statistics on the newly created table 4. Rename (or drop) the original table 5. Rename the newly created table to replace the original table For example
WebAug 14, 2013 · 4 You can't modify the data type when the internal storage changes and this is the case for VARCHAR <-> CHAR. Instead of ADD CHAR -> UPDATE CHAR from VARCHAR (needs a huge Transient Journal) -> DROP VARCHAR you better create a new table -> INSERT/SELECT (no TJ) -> DROP/RENAME.
WebDescription: When ALTER COLUMN TYPE is run, the type of distribution columns of a table cannot be modified. Solution: Modify this operation. GAUSS-00782: "cannot refer to other columns in transform expression for column store table" SQLSTATE: 0A000 WebMar 31, 2012 · No, the column that is used in distribution clause cannot be used for updates. Remember, up to four columns can be used for distribution of data on SPU. From practical sense, updating distribution columns result in redistribution of data; the single most performance hit when large table is involved. This restriction makes sense.
WebI was able to confirm and fix this issue by doing the following steps: Run a CTAS to create a copy of the table. Rename the previous table to something different (eg: ) and the new one to the original table name. DROP the old table. After that, the ALTER TABLE statement worked as expected. Share.
WebMay 6, 2014 · You need to specify NOT NULL explicitly in an ALTER TABLE ... ALTER COLUMN otherwise it defaults to allowing NULL. This is not permitted in a PK column. The following works fine. CREATE TABLE p ( ReferenceID VARCHAR (6) NOT NULL PRIMARY KEY ) INSERT INTO p VALUES ('AAAAAA') ALTER TABLE p ALTER COLUMN … how many miles from clovis nm to el paso txWebALTER TABLE books ALTER COLUMN publication_date SET DATA TYPE date; ERROR: column "publication_date" cannot be cast automatically to type date HINT: You might need to specify "USING publication_date::date". SQL state: 42804. how are propane tanks measuredWebGAUSS-00781: "cannot alter data type of distribute column" SQLSTATE: 0A000. Description: When ALTER COLUMN TYPE is run, the type of distribution columns of a table cannot be modified. Solution: Modify this operation. GAUSS-00782: "cannot refer to other columns in transform expression for column store table" how many miles from dan to beershebaWebJul 29, 2024 · Greenplum is a base on MPP architecture where data equally distributes across the child segments. Before creating a table, we should analyze the distribution logic and define distribution keys where data must be unique for equal distribution. My suggestion: Once you distribute your data basis on defined distribution key, you … how are properties banded for council taxWebYou restore this database to an instance of SQL Server that does not support change data capture. When you try to rename a column in a table in the database, you receive an error message that resembles the following: Cannot alter column because it is 'enabled for Replication or Change Data Capture'. how are propane tanks filledWebJun 6, 2024 · CREATE TABLE dbo.yourTable2 WITH ( CLUSTERED COLUMNSTORE INDEX, DISTRIBUTION = HASH ( yourColumn ) ) AS SELECT * FROM dbo.yourTable OPTION ( LABEL = 'CTAS: Change distribution on dbo.yourTable' ); GO DROP TABLE dbo.yourTable GO RENAME OBJECT dbo.yourTable2 TO yourTable; GO Share … how are propellers madeWebMar 20, 2024 · You cannot specify any other column options such as data types, collation, or nullability. Each of these attributes is derived from the results of the SELECT statement. However, you can use the SELECT statement to change the attributes. For an example, see Use CTAS to change column attributes. Table distribution options how are property management fees calculated