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Taras Ledkov commented on IGNITE-11434: --------------------------------------- [~Pavlukhin], [~jooger], [~amashenkov] please review the patch. > SQL: Create a view with list of existing COLUMNS > ------------------------------------------------ > > Key: IGNITE-11434 > URL: https://issues.apache.org/jira/browse/IGNITE-11434 > Project: Ignite > Issue Type: Task > Components: sql > Reporter: Yury Gerzhedovich > Assignee: Taras Ledkov > Priority: Major > Labels: iep-29 > Time Spent: 1.5h > Remaining Estimate: 0h > > Need to expose SQL system view with COLUMNS information. > Need to investigate more deeper which of information should be there. > > As start point we can take > [https://dev.mysql.com/doc/refman/8.0/en/columns-table.html] > Columns description: > || Name || Type || Description|| > | SCHEMA_NAME | string | Schema name | > | TABLE_NAME | string | Table name | > | COLUMN_NAME | string | Column name | > | ORDINAL_POSITION | int | Column ordinal. Starts with 1 | > | DEFAULT VALUE | string | Defaut column's value | > | IS_NULLABLE | boolean | Nullable flag corresponds to > {{QueryEntity#setNotNullFields}} | > | DATA_TYPE | string | SQL data type | > | CHARACTER_LENGTH | int | Size for char CAHR and VARCHAR types | > | NUMERIC_PRECISION | int | Precision for numeric types | > | NUMERIC_SCALE | int | Scale for numeric types | > | IS_AFFINITY_KEY | boolean | {{true}} whan the column is affinity key | > | IS_HIDDEN | boolean | {{true}} for hidden _ley nad _val columns. {{false}} > for all columns available by asterisk mask | -- This message was sent by Atlassian JIRA (v7.6.3#76005)