Package com.exasol.adapter.dialects.exasol

Class ExasolColumnMetadataReader

java.lang.Object

com.exasol.adapter.jdbc.AbstractMetadataReader

com.exasol.adapter.jdbc.BaseColumnMetadataReader

com.exasol.adapter.dialects.exasol.ExasolColumnMetadataReader

All Implemented Interfaces:

com.exasol.adapter.jdbc.ColumnMetadataReader, com.exasol.adapter.jdbc.MetadataReader

public class ExasolColumnMetadataReader
extends com.exasol.adapter.jdbc.BaseColumnMetadataReader

This class implements Exasol-specific reading of column metadata.

Field Summary

Fields inherited from class com.exasol.adapter.jdbc.BaseColumnMetadataReader

AUTOINCREMENT_COLUMN, CHAR_OCTET_LENGTH_COLUMN, DATA_TYPE_COLUMN, DEFAULT_VALUE_COLUMN, LOGGER, NAME_COLUMN, NULLABLE_COLUMN, REMARKS_COLUMN, SCALE_COLUMN, SIZE_COLUMN, TYPE_NAME_COLUMN

Fields inherited from class com.exasol.adapter.jdbc.AbstractMetadataReader

connection, properties

Constructor Summary

Constructors

Constructor	Description
ExasolColumnMetadataReader(java.sql.Connection connection, com.exasol.adapter.AdapterProperties properties, com.exasol.adapter.dialects.IdentifierConverter identifierConverter)	Create a new instance of the ExasolColumnMetadataReader.

Method Summary

Modifier and Type	Method	Description
com.exasol.adapter.metadata.DataType	mapJdbcType(com.exasol.adapter.jdbc.JdbcTypeDescription jdbcTypeDescription)

Methods inherited from class com.exasol.adapter.jdbc.BaseColumnMetadataReader

convertDecimal, getColumnsFromResultSet, getNumberTypeFromProperty, isRemoteColumnNullable, mapColumns, mapColumns, mapJdbcTypeNumericToDecimalWithFallbackToDouble, mapOrSkipColumn, readColumnName, readJdbcTypeDescription

Methods inherited from class com.exasol.adapter.jdbc.AbstractMetadataReader

getCatalogNameFilter, getSchemaNameFilter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExasolColumnMetadataReader

public ExasolColumnMetadataReader(java.sql.Connection connection,
                                  com.exasol.adapter.AdapterProperties properties,
                                  com.exasol.adapter.dialects.IdentifierConverter identifierConverter)

Create a new instance of the ExasolColumnMetadataReader.

Parameters:

connection - JDBC connection through which the column metadata is read from the remote database

properties - user-defined adapter properties

identifierConverter - converter between source and Exasol identifiers

Method Detail

mapJdbcType

public com.exasol.adapter.metadata.DataType mapJdbcType(com.exasol.adapter.jdbc.JdbcTypeDescription jdbcTypeDescription)

Specified by:

mapJdbcType in interface com.exasol.adapter.jdbc.ColumnMetadataReader

Overrides:

mapJdbcType in class com.exasol.adapter.jdbc.BaseColumnMetadataReader