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package nl.topicus.jdbc;
import java.sql.Types;
public abstract class CloudSpannerDatabaseMetaDataConstants
{
public static final String SELECT_TABLES_COLUMNS = "SELECT CASE WHEN TABLE_CATALOG='' THEN NULL ELSE TABLE_CATALOG END AS TABLE_CAT, CASE WHEN TABLE_SCHEMA='' THEN NULL ELSE TABLE_SCHEMA END AS TABLE_SCHEM, TABLE_NAME, 'TABLE' AS TABLE_TYPE, NULL AS REMARKS, NULL AS TYPE_CAT, NULL AS TYPE_SCHEM, NULL AS TYPE_NAME, NULL AS SELF_REFERENCING_COL_NAME, NULL AS REF_GENERATION ";
public static final String WHERE_1_EQUALS_1 = " WHERE 1=1 ";
public static final String FROM_TABLES_T = " FROM INFORMATION_SCHEMA.TABLES AS T ";
private static final String UNION_ALL = "UNION ALL\n";
private static final String CASE = "CASE \n";
public static final String GET_TYPE_INFO = "SELECT 'BOOL' AS TYPE_NAME, 16 AS DATA_TYPE, 1 AS PRECISION, NULL AS LITERAL_PREFIX, NULL AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, 1 AS NULLABLE, FALSE AS CASE_SENSITIVE, 2 AS SEARCHABLE, TRUE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'BOOL' AS LOCAL_TYPE_NAME, 1 AS MINIMUM_SCALE, 1 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX\n"
+ UNION_ALL
+ "SELECT 'BYTES' AS TYPE_NAME, -2 AS DATA_TYPE, 5000000 AS PRECISION, '0x' AS LITERAL_PREFIX, NULL AS LITERAL_SUFFIX, 'LENGTH' AS CREATE_PARAMS, 1 AS NULLABLE, FALSE AS CASE_SENSITIVE, 2 AS SEARCHABLE, TRUE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'BYTES' AS LOCAL_TYPE_NAME, 1 AS MINIMUM_SCALE, 5000000 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX\n"
+ UNION_ALL
+ "SELECT 'DATE' AS TYPE_NAME, 91 AS DATA_TYPE, 8 AS PRECISION, \"{d '\" AS LITERAL_PREFIX, \"'}\" AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, 1 AS NULLABLE, FALSE AS CASE_SENSITIVE, 2 AS SEARCHABLE, TRUE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'DATE' AS LOCAL_TYPE_NAME, 8 AS MINIMUM_SCALE, 8 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX\n"
+ UNION_ALL
+ "SELECT 'FLOAT64' AS TYPE_NAME, 8 AS DATA_TYPE, 15 AS PRECISION, NULL AS LITERAL_PREFIX, NULL AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, 1 AS NULLABLE, FALSE AS CASE_SENSITIVE, 2 AS SEARCHABLE, FALSE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'FLOAT64' AS LOCAL_TYPE_NAME, 15 AS MINIMUM_SCALE, 15 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX\n"
+ UNION_ALL
+ "SELECT 'INT64' AS TYPE_NAME, -5 AS DATA_TYPE, 19 AS PRECISION, NULL AS LITERAL_PREFIX, NULL AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, 1 AS NULLABLE, FALSE AS CASE_SENSITIVE, 2 AS SEARCHABLE, FALSE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'INT64' AS LOCAL_TYPE_NAME, 19 AS MINIMUM_SCALE, 19 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX\n"
+ UNION_ALL
+ "SELECT 'STRING' AS TYPE_NAME, -9 AS DATA_TYPE, 5000000 AS PRECISION, \"'\" AS LITERAL_PREFIX, \"'\" AS LITERAL_SUFFIX, 'LENGTH' AS CREATE_PARAMS, 1 AS NULLABLE, TRUE AS CASE_SENSITIVE, 3 AS SEARCHABLE, TRUE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'STRING' AS LOCAL_TYPE_NAME, 1 AS MINIMUM_SCALE, 5000000 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX\n"
+ UNION_ALL
+ "SELECT 'TIMESTAMP' AS TYPE_NAME, 93 AS DATA_TYPE, 19 AS PRECISION, \"{ts '\" AS LITERAL_PREFIX, \"'}\" AS LITERAL_SUFFIX, NULL AS CREATE_PARAMS, 1 AS NULLABLE, FALSE AS CASE_SENSITIVE, 2 AS SEARCHABLE, TRUE AS UNSIGNED_ATTRIBUTE, FALSE AS FIXED_PREC_SCALE, FALSE AS AUTO_INCREMENT, 'TIMESTAMP' AS LOCAL_TYPE_NAME, 19 AS MINIMUM_SCALE, 19 AS MAXIMUM_SCALE, NULL AS SQL_DATA_TYPE, NULL AS SQL_DATETIME_SUB, NULL AS NUM_PREC_RADIX";
public static final String GET_UDTS = "SELECT *\n"
+ "FROM (SELECT NULL AS TYPE_CAT, NULL AS TYPE_SCHEM, NULL AS TYPE_NAME, NULL AS CLASS_NAME, NULL AS DATA_TYPE, NULL AS REMARKS, NULL AS BASE_TYPE) UDTS\n"
+ "WHERE 1=2";
public static final String GET_COLUMNS = "SELECT TABLE_CATALOG AS TABLE_CAT, TABLE_SCHEMA AS TABLE_SCHEM, TABLE_NAME, COLUMN_NAME, \n"
+ CASE
+ " WHEN SPANNER_TYPE LIKE 'ARRAY%' THEN " + Types.ARRAY + " \n"
+ " WHEN SPANNER_TYPE = 'BOOL' THEN " + Types.BOOLEAN + " \n"
+ " WHEN SPANNER_TYPE LIKE 'BYTES%' THEN " + Types.BINARY + " \n"
+ " WHEN SPANNER_TYPE = 'DATE' THEN " + Types.DATE + " \n"
+ " WHEN SPANNER_TYPE = 'FLOAT64' THEN " + Types.DOUBLE + " \n"
+ " WHEN SPANNER_TYPE = 'INT64' THEN " + Types.BIGINT + " \n"
+ " WHEN SPANNER_TYPE LIKE 'STRING%' THEN " + Types.NVARCHAR + " \n"
+ " WHEN SPANNER_TYPE LIKE 'STRUCT%' THEN " + Types.STRUCT + " \n"
+ " WHEN SPANNER_TYPE = 'TIMESTAMP' THEN " + Types.TIMESTAMP + " \n"
+ "END AS DATA_TYPE, \n"
+ "SPANNER_TYPE AS TYPE_NAME, \n"
+ CASE
+ "WHEN strpos(spanner_type, '(')=0 then 0 \n"
+ "ELSE cast(replace(substr(spanner_type, strpos(spanner_type, '(')+1, strpos(spanner_type, ')')-strpos(spanner_type, '(')-1), 'MAX', '0') as INT64) \n"
+ "END AS COLUMN_SIZE, \n"
+ "0 AS BUFFER_LENGTH, NULL AS DECIMAL_DIGITS, 0 AS NUM_PREC_RADIX, \n"
+ CASE
+ " WHEN IS_NULLABLE = 'YES' THEN 1 \n"
+ " WHEN IS_NULLABLE = 'NO' THEN 0 \n"
+ " ELSE 2 \n"
+ "END AS NULLABLE, NULL AS REMARKS, NULL AS COLUMN_DEF, 0 AS SQL_DATA_TYPE, 0 AS SQL_DATETIME_SUB, 0 AS CHAR_OCTET_LENGTH, ORDINAL_POSITION, IS_NULLABLE, NULL AS SCOPE_CATALOG, \n"
+ "NULL AS SCOPE_SCHEMA, NULL AS SCOPE_TABLE, NULL AS SOURCE_DATA_TYPE, 'NO' AS IS_AUTOINCREMENT, 'NO' AS IS_GENERATEDCOLUMN \n"
+ "FROM INFORMATION_SCHEMA.COLUMNS " + WHERE_1_EQUALS_1;
// Prevent instantiation
private CloudSpannerDatabaseMetaDataConstants()
{
}
}
