The CDC_REC_TABSCHEMA record
Describes the table from which data is being captured.
The value in the payload size field in the common header
represents the number of bytes occupied by the column name and data
type list.
The header specific to the CDC_REC_TABSCHEMA record follows
the common header.
| Section | Size | Description |
|---|---|---|
| User data | 4 bytes | The table identifier that was specified in the cdc_startcapture() function for the table being captured. |
| Flags | 4 bytes | Must be 0. |
| Fixed-length size | 4 bytes | The number of bytes of data in fixed-length columns in the table. |
| Fixed-length columns | 4 bytes | The number of fixed-length columns in the table
being captured. A 0 indicates that there are no fixed-length columns. |
| Variable-length columns | 4 bytes | The number of variable-length columns in the
table being captured. A 0 indicates that there are no variable-length columns. |
| Column names and data types | variable byte length | A comma-separated list of column names and data
types in UTF-8 format. The column list conforms to the syntax of the
column list in a CREATE TABLE statement. Names of any fixed-length columns appear before names of any variable-length columns. The number of columns equals the number of fixed-length columns plus the number of variable-length columns. |