ADC Advanced Policy Expressions

MYSQL_RES_FIELD_T

June 28, 2023

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Returns mysql response field object. It allows to access properties of individual attributes of the query response.

This topic lists the expressions that are provided by this class.

CATALOG

returns the Catalog name of the column.

Returns: text_t

CHAR_SET

returns charset of the column.

Returns: mysql_charset_e

DATATYPE

returns datatype of the column. possible values in Hex 0x00 DECIMAL 0x01 TINY 0x02 SHORT 0x03 LONG 0x04 FLOAT 0x05 DOUBLE 0x06 NULL 0x07 TIMESTAMP 0x08 LONGLONG 0x09 INT24 0x0a DATE 0x0b TIME 0x0c DATETIME 0x0d YEAR 0x0e NEWDATE 0x0f VARCHAR (new in MySQL 5.0) 0x10 BIT (new in MySQL 5.0) 0xf6 NEWDECIMAL (new in MYSQL 5.0) 0xf7 ENUM 0xf8 SET 0xf9 TINY_BLOB 0xfa MEDIUM_BLOB 0xfb LONG_BLOB 0xfc BLOB 0xfd VAR_STRING 0xfe STRING 0xff GEOMETRY

Returns: mysql_res_field_datatype_e

DB

returns the database name of the column.

Returns: text_t

DECIMALS

The number of positions after the decimal point if the type is DECIMAL or NUMERIC.

Returns: num_at

FLAGS

returns flag values of the column. The possible flag values (in hexadec) 0001 NOT_NULL_FLAG 0002 PRI_KEY_FLAG 0004 UNIQUE_KEY_FLAG 0008 MULTIPLE_KEY_FLAG 0010 BLOB_FLAG 0020 UNSIGNED_FLAG 0040 ZEROFILL_FLAG 0080 BINARY_FLAG 0100 ENUM_FLAG 0200 AUTO_INCREMENT_FLAG 0400 TIMESTAMP_FLAG 0800 SET_FLAG

Returns: num_at

LENGTH

returns length of the column. The value given here may be larger than the actual length, for example an instance of a VARCHAR(2) column may have only 1 character in it.

Returns: num_at

NAME

returns alias name of the column (table attribute).

Returns: text_t

ORIGINAL_NAME

returns alias name of the column (table attribute).

Returns: text_t

ORIGINAL_TABLE

returns table name of the column.

Returns: text_t

TABLE

returns alias table name of the column.

Returns: text_t

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MYSQL_RES_FIELD_T

June 28, 2023

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MYSQL_RES_FIELD_T

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