Index: src/shell.c ================================================================== --- src/shell.c +++ src/shell.c @@ -1791,10 +1791,11 @@ " If TABLE specified, only show indexes for tables\n" " matching LIKE pattern TABLE.\n" #ifdef SQLITE_ENABLE_IOTRACE ".iotrace FILE Enable I/O diagnostic logging to FILE\n" #endif + ".limit ?LIMIT? ?VAL? Display or change the value of an SQLITE_LIMIT\n" #ifndef SQLITE_OMIT_LOAD_EXTENSION ".load FILE ?ENTRY? Load an extension library\n" #endif ".log FILE|off Turn logging on or off. FILE can be stderr/stdout\n" ".mode MODE ?TABLE? Set output mode where MODE is one of:\n" @@ -3169,10 +3170,67 @@ sqlite3IoTrace = iotracePrintf; } } }else #endif + if( c=='l' && n>=5 && strncmp(azArg[0], "limits", n)==0 ){ + static const struct { + const char *zLimitName; /* Name of a limit */ + int limitCode; /* Integer code for that limit */ + } aLimit[] = { + { "length", SQLITE_LIMIT_LENGTH }, + { "sql_length", SQLITE_LIMIT_SQL_LENGTH }, + { "column", SQLITE_LIMIT_COLUMN }, + { "expr_depth", SQLITE_LIMIT_EXPR_DEPTH }, + { "compound_select", SQLITE_LIMIT_COMPOUND_SELECT }, + { "vdbe_op", SQLITE_LIMIT_VDBE_OP }, + { "function_arg", SQLITE_LIMIT_FUNCTION_ARG }, + { "attached", SQLITE_LIMIT_ATTACHED }, + { "like_pattern_length", SQLITE_LIMIT_LIKE_PATTERN_LENGTH }, + { "variable_number", SQLITE_LIMIT_VARIABLE_NUMBER }, + { "trigger_depth", SQLITE_LIMIT_TRIGGER_DEPTH }, + { "worker_threads", SQLITE_LIMIT_WORKER_THREADS }, + }; + int i, n2; + open_db(p, 0); + if( nArg==1 ){ + for(i=0; idb, aLimit[i].limitCode, -1)); + } + }else if( nArg>3 ){ + fprintf(stderr, "Usage: .limit NAME ?NEW-VALUE?\n"); + rc = 1; + goto meta_command_exit; + }else{ + int iLimit = -1; + n2 = strlen30(azArg[1]); + for(i=0; idb, aLimit[iLimit].limitCode, integerValue(azArg[2])); + } + printf("%20s %d\n", aLimit[iLimit].zLimitName, + sqlite3_limit(p->db, aLimit[iLimit].limitCode, -1)); + } + }else #ifndef SQLITE_OMIT_LOAD_EXTENSION if( c=='l' && strncmp(azArg[0], "load", n)==0 ){ const char *zFile, *zProc; char *zErrMsg = 0;