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#include <kdb/manager.h>
#include <kdb/database.h>
#include <kdb/table.h>
#include <kdb/column.h>
#include <kdb/namelist.h>
#include <klib/namelist.h>
#include <klib/rc.h>
#include <stdio.h>
static int64_t blob_limit = 10;
static
uint32_t dump_col ( const KColumn *col, const char *dbname, const char *tblname, const char *colname )
{
rc_t rc = 0;
int64_t row, first;
const KColumnBlob *blob;
uint32_t count, num_blobs;
for ( num_blobs = 0, row = 1; rc == 0 && num_blobs < blob_limit; ++ num_blobs, row = first + count )
{
rc = KColumnOpenBlobRead ( col, & blob, row );
if ( rc == 0 )
{
rc = KColumnBlobIdRange ( blob, & first, & count );
if ( rc != 0 )
fprintf ( stderr, "failed to get row-range for blob containing row '%s.%s.%s.%ld'\n", dbname, tblname, colname, row );
else
{
size_t num_read, remaining;
rc = KColumnBlobRead ( blob, 0, & first, 0, & num_read, & remaining );
if ( rc != 0 )
fprintf ( stderr, "failed to get size of blob containing row '%s.%s.%s.%ld'\n", dbname, tblname, colname, row );
else
{
printf ( " %ld .. %ld ( %u rows ), %zu bytes\n", first, first + count - 1, count, remaining );
}
}
KColumnBlobRelease ( blob );
}
else if ( GetRCState ( rc ) == rcNotFound )
return num_blobs;
else
{
fprintf ( stderr, "failed to open blob for row '%s.%s.%s.%ld'\n", dbname, tblname, colname, row );
}
}
for ( ; rc == 0; ++ num_blobs, row = first + count )
{
rc = KColumnOpenBlobRead ( col, & blob, row );
if ( rc == 0 )
{
rc = KColumnBlobIdRange ( blob, & first, & count );
KColumnBlobRelease ( blob );
}
}
return num_blobs;
}
static
void dump_col_name ( const KTable *tbl, const char *dbname, const char *tblname, const char *colname )
{
const KColumn *col;
rc_t rc = KTableOpenColumnRead ( tbl, & col, "%s", colname );
if ( rc != 0 )
fprintf ( stderr, "failed to open column '%s.%s.%s'\n", dbname, tblname, colname );
else
{
uint32_t num_blobs;
printf ( "COLUMN '%s.%s.%s'\n", dbname, tblname, colname );
num_blobs = dump_col ( col, dbname, tblname, colname );
KColumnRelease ( col );
if ( num_blobs > blob_limit )
printf ( " %u blobs in column\n", num_blobs );
}
}
static
void dump_tbl ( const KTable *tbl, const char *tblname, int argc, char *argv [] )
{
if ( argc >= 4 )
{
int i;
for ( i = 3; i < argc; ++ i )
{
dump_col_name ( tbl, argv [ 1 ], tblname, argv [ i ] );
}
}
else
{
KNamelist *names;
rc_t rc = KTableListCol ( tbl, & names );
if ( rc != 0 )
fprintf ( stderr, "failed to list columns for tbl '%s.%s'\n", argv [ 1 ], tblname );
else
{
uint32_t count;
rc = KNamelistCount ( names, & count );
if ( rc != 0 )
fprintf ( stderr, "failed to count columns for tbl '%s.%s'\n", argv [ 1 ], tblname );
else
{
uint32_t i;
for ( i = 0; i < count; ++ i )
{
const char *name;
rc = KNamelistGet ( names, i, & name );
if ( rc != 0 )
fprintf ( stderr, "failed to access column name [ %u ] for tbl '%s.%s'\n", i, argv [ 1 ], tblname );
else
{
dump_col_name ( tbl, argv [ 1 ], tblname, name );
}
}
}
KNamelistRelease ( names );
}
}
}
static
void dump_tbl_name ( const KDatabase *db, const char *tblname, int argc, char *argv [] )
{
const KTable *tbl;
rc_t rc = KDatabaseOpenTableRead ( db, & tbl, "%s", tblname );
if ( rc != 0 )
fprintf ( stderr, "failed to open table '%s.%s'\n", argv [ 1 ], tblname );
else
{
dump_tbl ( tbl, tblname, argc, argv );
KTableRelease ( tbl );
}
}
static
void dump_db ( const KDatabase *db, int argc, char *argv [] )
{
if ( argc >= 3 )
dump_tbl_name ( db, argv [ 2 ], argc, argv );
else
{
KNamelist *names;
rc_t rc = KDatabaseListTbl ( db, & names );
if ( rc != 0 )
fprintf ( stderr, "failed to list tables for db '%s'\n", argv [ 1 ] );
else
{
uint32_t count;
rc = KNamelistCount ( names, & count );
if ( rc != 0 )
fprintf ( stderr, "failed to count tables for db '%s'\n", argv [ 1 ] );
else
{
uint32_t i;
for ( i = 0; i < count; ++ i )
{
const char *name;
rc = KNamelistGet ( names, i, & name );
if ( rc != 0 )
fprintf ( stderr, "failed to access table name [ %u ] for db '%s'\n", i, argv [ 1 ] );
else
{
dump_tbl_name ( db, name, argc, argv );
}
}
}
KNamelistRelease ( names );
}
}
}
int main ( int argc, char *argv [] )
{
if ( argc < 2 )
printf ( "Usage: %s database [ table [ col ... ] ]\n", argv [ 0 ] );
else
{
const KDBManager *mgr;
rc_t rc = KDBManagerMakeRead ( & mgr, NULL );
if ( rc == 0 )
{
const KDatabase *db;
rc = KDBManagerOpenDBRead ( mgr, & db, "%s", argv [ 1 ] );
if ( rc != 0 )
fprintf ( stderr, "failed to open database '%s'\n", argv [ 1 ] );
else
{
dump_db ( db, argc, argv );
KDatabaseRelease ( db );
}
KDBManagerRelease ( mgr );
}
}
return 0;
}
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