c-treeDB API API for C

ctdbSetSegmentMode

Set the segment mode.

Declaration

CTDBRET ctdbSetSegmentMode(CTHANDLE Handle, CTSEG_MODE SegMode)

Description

ctdbSetSegmentMode() sets the segment mode. When the table is created, the segment mode is defined with the segments. If this information has to be changed later, ctdbSetSegmentMode() may be used. In this case, ctdbAlterTable() must be called after that to modify the table structure. Use ctdbGetSegmentMode() to retrieve the segment mode.

Handle [in] the Segment Handle.
SegMode [in] one of the valid segment modes, presented in c-treeDB API definitions.

Returns

ctdbSetSegmentMode() returns CTDBRET_OK on success, or c-treeDB API C API error on failure.

Example

seg = ctdbGetSegmentMode(hSegment);

if (seg == CTSEG_SCHSEG)

{

err = ctdbSetSegmentMode(hSegment, CTSEG_USCHSEG);

err = ctdbAlterTable(hTable);

}