OP_Explain       66172 ext/sqlite3/libsqlite/sqlite3.c   }while( i<nRow && p->explain==2 && p->aOp[i].opcode!=OP_Explain );
OP_Explain       71442 ext/sqlite3/libsqlite/sqlite3.c         if( aOp[i].opcode==OP_Explain ){
OP_Explain       77316 ext/sqlite3/libsqlite/sqlite3.c   assert( pOp->opcode==OP_Noop || pOp->opcode==OP_Explain );
OP_Explain       84667 ext/sqlite3/libsqlite/sqlite3.c     sqlite3VdbeAddOp4(v, OP_Explain, pParse->iSelectId, 0, 0, zMsg, P4_DYNAMIC);
OP_Explain       107567 ext/sqlite3/libsqlite/sqlite3.c     sqlite3VdbeAddOp4(v, OP_Explain, pParse->iSelectId, 0, 0, zMsg, P4_DYNAMIC);
OP_Explain       107615 ext/sqlite3/libsqlite/sqlite3.c     sqlite3VdbeAddOp4(v, OP_Explain, pParse->iSelectId, 0, 0, zMsg, P4_DYNAMIC);
OP_Explain       111151 ext/sqlite3/libsqlite/sqlite3.c         pParse->pVdbe, OP_Explain, pParse->iSelectId, 0, 0, zEqp, P4_DYNAMIC
OP_Explain       119345 ext/sqlite3/libsqlite/sqlite3.c     ret = sqlite3VdbeAddOp4(v, OP_Explain, iId, iLevel, iFrom, zMsg,P4_DYNAMIC);