AnalyzeColumn Logical Command¶

AnalyzeColumn is a Command for ANALYZE TABLE FOR COLUMNS SQL statement.

AnalyzeColumn is resolved to AnalyzeColumnCommand logical command (by ResolveSessionCatalog logical resolution rule).

Creating Instance¶

AnalyzeColumn takes the following to be created:

• Child Logical Operator
• Column Names
• allColumns Flag

AnalyzeColumn requires that either the column names or allColumns flag is defined (as mutually exclusive).

AnalyzeColumn is created when:

• AstBuilder is requested to parse ANALYZE TABLE FOR COLUMNS statement

Query Planning¶

DataSourceV2Strategy throws an AnalysisException for AnalyzeColumns over ResolvedTables:

ANALYZE TABLE is not supported for v2 tables.