InformationSchemaColumnsBuilder

datafusion_catalog::information_schema

Struct InformationSchemaColumnsBuilder 

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struct InformationSchemaColumnsBuilder {
Show 16 fields
    schema: SchemaRef,
    catalog_names: StringBuilder,
    schema_names: StringBuilder,
    table_names: StringBuilder,
    column_names: StringBuilder,
    ordinal_positions: UInt64Builder,
    column_defaults: StringBuilder,
    is_nullables: StringBuilder,
    data_types: StringBuilder,
    character_maximum_lengths: UInt64Builder,
    character_octet_lengths: UInt64Builder,
    numeric_precisions: UInt64Builder,
    numeric_precision_radixes: UInt64Builder,
    numeric_scales: UInt64Builder,
    datetime_precisions: UInt64Builder,
    interval_types: StringBuilder,

}
Expand description

Builds the information_schema.COLUMNS table row by row

Columns are based on https://www.postgresql.org/docs/current/infoschema-columns.html

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§schema: SchemaRef§catalog_names: StringBuilder§schema_names: StringBuilder§table_names: StringBuilder§column_names: StringBuilder§ordinal_positions: UInt64Builder§column_defaults: StringBuilder§is_nullables: StringBuilder§data_types: StringBuilder§character_maximum_lengths: UInt64Builder§character_octet_lengths: UInt64Builder§numeric_precisions: UInt64Builder§numeric_precision_radixes: UInt64Builder§numeric_scales: UInt64Builder§datetime_precisions: UInt64Builder§interval_types: StringBuilder

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impl InformationSchemaColumnsBuilder

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fn add_column( &mut self, catalog_name: &str, schema_name: &str, table_name: &str, field_position: usize, field: &Field, )

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fn finish(&mut self) -> RecordBatch

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