Iceberg 'alter table add column' should not allow the 'not null ...

The presto iceberg connector supports the alter table add column command, but is allowing a 'required: true' column to be created in the ...

Spark DDL - Apache Iceberg

It is not possible to change a nullable column to a non-nullable column with SET NOT NULL because Iceberg doesn't know whether there is existing data with null ...

Enforcing Column Level Constraints on Iceberg Table - Stack Overflow

NOT NULL will define field required: true in meta….json file. Spark per default checks the nullification Spark option check-nullability.

Throw error when adding non-null columns using the alter table ddl ...

I'm not sure that this should call allowIncompatibleChanges() because adding a required column when there are no existing values will break reading the new ...

Adding new column to iceberg table silently failing

Support Questions · ('external.table.purge'='true') property is set using S · This property controls how DROP TABLE and ALTER TABLE works. · Let me ...

Iceberg schema not merging missing columns - Stack Overflow

One "non optimal" solution, is to detect if a column is found in source while not there yet in target and then do and ALTER TABLE target ADD COLUMN before the ...

ALTER TABLE … ALTER COLUMN - Snowflake Documentation

Usage notes¶ · A single ALTER TABLE statement can be used to modify multiple columns in a table. · When setting a column to NOT NULL , if the column contains NULL ...

ALTER ICEBERG TABLE … ALTER COLUMN … SET DATA TYPE

You can't set a null constraint when you add a key, because Snowflake sets the value of the key to NULL for all existing rows in the table. For example, ...

The Ultimate Guide to Apache Iceberg - IOMETE

Column Deletions: Iceberg does not support the deletion of columns directly. ... Use schema evolution to add, remove, or modify columns in your Iceberg tables.

Iceberg Table Spec

Default / null column type used when a more specific type is not known, Must be optional with null defaults; not stored in data files. boolean, True or false.

ALTER TABLE — Trino 464 Documentation

ALTER TABLE [ IF EXISTS ] name RENAME TO new_name ALTER TABLE [ IF EXISTS ] name ADD COLUMN [ IF NOT EXISTS ] column_name data_type [ NOT NULL ] [ COMMENT ...

How can I rename a column on an iceberg table in Athena?

When I try to run the following query in Athena: `ALTER TABLE my_iceberg_table ALTER COLUMN old_column_name TO new_column_name` I get the ...

Schema is not updated with the required property when adding a ...

Successfully merging a pull request may close this issue. Throw error when adding non-null columns using the alter table ddl skambha/iceberg.

Alter Table Add Column not null does not correctly work

When I want to add a not-nullable column, the dialog generates this output: ALTER TABLE "postgres"."public"."table" ADD COLUMN country CHARACTER VARYING(3); ...

Dremio BUG after alter Iceberg table

If column names are specified, data is inserted in the given column order, and columns not listed are populated as NULL. instead are doing; If ...

Iceberg connector — Trino 464 Documentation

The COMMENT option is supported for adding table columns through the ALTER TABLE operations. ... The Iceberg connector supports setting NOT NULL ...

Iceberg tables INSERT, MERGE, and DELETE Operations - IOMETE

... can only reference table columns, not hidden partitions. DELETE FROM . Delete queries accept a filter to match rows to delete. DELETE FROM prod.db.table

ALTER TABLE Statement - DuckDB

Add a new column with name k to the table integers , it will be filled with the default value NULL: ALTER TABLE integers ADD COLUMN k INTEGER;.

Using Apache Iceberg - Cloudera Documentation

Iceberg supports in-place partition evolution; to change a partition, you do not rewrite the entire table to add a new partition column, and ...

CDC to Iceberg: 4 Major Challenges, and How We Solved Them

NULL or missing values for a PK column will at best result in a failed CDC merge and at worst corrupt your tables, forcing you to rebuild them.