/*
 *	PROGRAM:	Interactive SQL utility
 *	MODULE:		isql.h
 *	DESCRIPTION:	Component wide include file
 *
 * The contents of this file are subject to the Interbase Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy
 * of the License at http://www.Inprise.com/IPL.html
 *
 * Software distributed under the License is distributed on an
 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code was created by Inprise Corporation
 * and its predecessors. Portions created by Inprise Corporation are
 * Copyright (C) Inprise Corporation.
 *
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 *
 * Revision 1.2  2000/11/18 16:49:24  fsg
 * Increased PRINT_BUFFER_LENGTH to 2048 to show larger plans
 * Fixed Bug #122563 in extract.e get_procedure_args
 * Apparently this has to be done in show.e also,
 * but that is for another day :-)
 *
 * 2002.10.30 Sean Leyne - Removed support for obsolete "PC_PLATFORM" define
 *
 */

#ifndef ISQL_ISQL_H
#define ISQL_ISQL_H

#include "../jrd/flags.h"
#include "../jrd/constants.h"
#include <stdlib.h>

// Define lengths used in isql.e

const int PRINT_BUFFER_LENGTH	= 1024;
const int MAXTERM_SIZE			= 32;	// SQL termination character
const int USER_LENGTH 			= 128;
const int PASSWORD_LENGTH		= 128;
const int ROLE_LENGTH			= 128;

/* these constants are purely idiotic; there's no point in having
   a predefined constant with no meaning, but that's Ed Simon the
   master programmer for you! */

const int BUFFER_LENGTH128	= 128;
const int BUFFER_LENGTH256	= 256;
const int BUFFER_LENGTH400	= 400;
const int BUFFER_LENGTH512	= 512;
const int BUFFER_LENGTH60	= 60;
const int BUFFER_LENGTH180	= 180;

// Define the possible states of processing commands

enum processing_state {
	FOUND_EOF   =   EOF,
	CONT		=	0,
	EXIT		=	1,
	BACKOUT		=	2,
	ps_ERR		=	3,
	END			=	4,
	SKIP		=	5,
	FAIL		=	6,
	EXTRACT		=	7,
	EXTRACTALL	=	8,
	FETCH		=	9,
	OBJECT_NOT_FOUND = 10,
	ERR_BUFFER_OVERFLOW = 11
};

// Which blob subtypes to print

const int ALL_BLOBS	= -2;
const int NO_BLOBS	= -1;

// Flag to decode all vs sql only objects
enum LegacyTables
{
	SQL_objects,
	ALL_objects
};

const size_t CHARSET_COLLATE_SIZE	=
	(MAX_SQL_IDENTIFIER_LEN + 2 /* quotes */) * 2 +	// charset and collate names
	14 +	// CHARACTER SET
	9 +		// NOT NULL
	8 +		// COLLATE
	30 +	// extra space
	1;		// null terminator

const size_t WORDLENGTH				= 32;
// The worst case of a quoted identifier is 31 * 2 => 62 + 2 DQUOTES + TERM => 65.
const size_t QUOTEDLENGTH			= 65;
static const char* const DEFTERM	= ";";
static const char* const DEFCHARSET	= "NONE";
const unsigned NULL_DISP_LEN		= 6;


// Error codes

const int MSG_LENGTH	= 1024;
const int ISQL_MSG_FAC	= 17;

const int GEN_ERR 					= 0;		// General non-zero SQLCODE error
const int SWITCH 					= 2;		// Bad command line arg
const int NO_DB 					= 3;		// No database specified
const int FILE_OPEN_ERR				= 4;		// Can't open specified file
const int COMMIT_PROMPT				= 5;		// Commit or rollback question
const int COMMIT_MSG				= 6;		// Committing ...
const int ROLLBACK_MSG				= 7;		// Rolling back
const int CMD_ERR					= 8;		// Unknown frontend command
const int ADD_PROMPT				= 9;		// Prompt for add function
const int VERSION					= 10;		// Version string for -z
const int NUMBER_PAGES				= 12;		// Number of DB pages allocated = @1 \n
const int SWEEP_INTERV				= 13;		// Sweep interval = @1 \n
const int CKPT_LENGTH				= 16;		// Check point length = @1 \n
const int CKPT_INTERV				= 17;		// Check point interval = @1 \n
const int BASE_LEVEL				= 19;		// Base level = @1 \n
const int LIMBO						= 20;		// Transaction in limbo = @1 \n
// Help list
const int HLP_FRONTEND				= 21;		// Frontend commands:\n
const int HLP_BLOBVIEW				= 22;		// BLOBVIEW [<blobid as high:low>] -- edit a blob\n
const int HLP_BLOBDMP				= 23;		// BLOBDUMP <blobid as high:low> <file> -- dump blob to a file\n
const int HLP_EDIT					= 24;		// EDIT [<filename>] -- edit and read a SQL file\n\tWithout file name, edits current command buffer\n
const int HLP_INPUT					= 25;		// INput <filename> -- enter a named SQL file\n
const int HLP_OUTPUT				= 26;		// OUTput [<filename>] -- write output to named file\n
const int HLP_SHELL					= 27;		// SHELL <shell command> -- execute command shell\n
const int HLP_HELP					= 28;		// HELP -- Displays this menu\n
const int HLP_SETCOM				= 29;		// "Set commands: "
const int HLP_SET					= 30;		// \tSET -- Display current options \n
const int HLP_SETAUTO				= 31;		// \tSET AUTOcommit  -- toggle autocommit of DDL statments\n
const int HLP_SETBLOB				= 32;		// \tSET BLOBdisplay [ALL|N]-- Display blobs of type N\n\t SET BLOB turns off blob display\n
const int HLP_SETCOUNT				= 33;		// \tSET COUNT  -- toggle count of selected rows on/off \n
const int HLP_SETMAXROWS			= 165;		// \tSET MAXROWS [N] -- limits the number of rows returned, zero is no limit \n
const int HLP_SETECHO				= 34;		// \tSET ECHO  -- toggle command echo on/off \n
const int HLP_SETSTAT				= 35;		// \tSET STATs -- toggles performance statistics display\n
const int HLP_SETTERM				= 36;		// \tSET TERM <string> -- changes termination character\n
const int HLP_SHOW					= 37;		// SHOW <object type> [<object name>] -- displays information on metadata\n
const int HLP_OBJTYPE				= 38;		// "    <object> = CHECK, COLLATION, DATABASE, DOMAIN, EXCEPTION, FILTER, FUNCTION,"
const int HLP_EXIT					= 39;		// EXIT -- Exit program and commit changes\n
const int HLP_QUIT					= 40;		// QUIT -- Exit program and rollback changes\n\n
const int HLP_ALL					= 41;		// All commands may be abbreviated to letters in CAPs\n
const int HLP_SETSCHEMA				= 42;		// \tSET SCHema/DB <db name> -- changes current database\n
const int YES_ANS					= 43;		// Yes
const int REPORT1					= 44;		// Current memory = !c\nDelta memory = !d\nMax memory = !x\nElapsed time= !e sec\n
#if (defined WIN_NT)
const int REPORT2					= 93;		// Buffers = !b\nReads = !r\nWrites = !w\nFetches = !f\n
#else
const int REPORT2					= 45;		// Cpu = !u sec\nBuffers = !b\nReads = !r\nWrites = !w\nFetches = !f\n
#endif
const int BLOB_SUBTYPE				= 46;		// Blob display set to subtype @1. This blob: subtype = @2\n
const int BLOB_PROMPT				= 47;		// Blob: @1, type 'edit' or filename to load>
const int DATE_PROMPT				= 48;		// Enter @1 as M/D/Y>
const int NAME_PROMPT				= 49;		// Enter @1>
const int DATE_ERR					= 50;		// Bad date @1\n
const int CON_PROMPT				= 51;		// "CON> "
const int HLP_SETLIST				= 52;		// \tSET LIST -- toggles column or table display\n
const int NOT_FOUND_MSG				= 53;		// @1 not found\n
const int COPY_ERR 					= 54;		// Errors occurred (possibly duplicate domains) in creating @1 in @2\n"
const int SERVER_TOO_OLD			= 55;		// Server version too old to support the isql command
const int REC_COUNT 				= 56;		// Total returned: @1
const int UNLICENSED				= 57;		// Unlicensed for database "@1"
const int HLP_SETWIDTH				= 58;		// \tSET WIDTH <column name> [<width>] --sets/unsets print width for column name
const int HLP_SETPLAN				= 59;		// Toggle display of query access plan
const int HLP_SETTIME				= 60;		// Toggle display of timestamp with DATE values
const int HLP_EDIT2					= 61;		// edits current command buffer\n
const int HLP_OUTPUT2				= 62;		// \tWithout file name, returns output to stdout\n
const int HLP_SETNAMES				= 63;		// Set current character set
const int HLP_OBJTYPE2				= 64;		// More objects
const int HLP_SETBLOB2				= 65;		// \t SET BLOB turns off blob display\n
const int HLP_SET_ROOT				= 66;		// (Use HELP SET for set options)
const int NO_TABLES					= 67;		// There are no tables in this database
const int NO_TABLE					= 68;		// There is no table @1 in this database
const int NO_VIEWS					= 69;		// There are no views in this database
const int NO_VIEW					= 70;		// There is no view @1 in this database
const int NO_INDICES_ON_REL			= 71;		// There are no indices on table @1 in this database
const int NO_REL_OR_INDEX			= 72;		// There is no table or index @1 in this database
const int NO_INDICES				= 73;		// There are no indices in this database
const int NO_DOMAIN					= 74;		// There is no domain @1 in this database
const int NO_DOMAINS				= 75;		// There are no domains in this database
const int NO_EXCEPTION				= 76;		// There is no exception @1 in this database
const int NO_EXCEPTIONS				= 77;		// There are no exceptions in this database
const int NO_FILTER					= 78;		// There is no filter @1 in this database
const int NO_FILTERS				= 79;		// There are no filters in this database
const int NO_FUNCTION				= 80;		// There is no user-defined function @1 in this database
const int NO_FUNCTIONS				= 81;		// There are no user-defined functions in this database
const int NO_GEN					= 82;		// There is no generator @1 in this database
const int NO_GENS					= 83;		// There are no generators in this database
const int NO_GRANT_ON_REL			= 84;		// There is no privilege granted on table @1 in this database
const int NO_GRANT_ON_PROC			= 85;		// There is no privilege granted on stored procedure @1 in this database
const int NO_REL_OR_PROC			= 86;		// There is no table or stored procedure @1 in this database
const int NO_PROC					= 87;		// There is no stored procedure @1 in this database
const int NO_PROCS					= 88;		// There are no stored procedures in this database
const int NO_TRIGGERS_ON_REL		= 89;		// There are no triggers on table @1 in this database
const int NO_REL_OR_TRIGGER			= 90;		// There is no table or trigger @1 in this database
const int NO_TRIGGERS				= 91;		// There are no triggers in this database
const int NO_TRIGGER				= 121;		// There is no trigger @1 in this database
const int NO_CHECKS_ON_REL			= 92;		// There are no check constraints on table @1 in this database
const int NO_COMMENTS				= 115;		// There are no comments for objects in this database.
const int BUFFER_OVERFLOW			= 94;		// An isql command exceeded maximum buffer size
const int NO_ROLES					= 95;		// There are no roles in this database
const int NO_OBJECT					= 96;		// There is no metadata object @1 in this database
const int NO_GRANT_ON_ROL			= 97;		// There is no membership privilege granted
												// on @1 in this database
const int UNEXPECTED_EOF			= 98;		// Expected end of statement, encountered EOF
const int TIME_ERR					= 101;		// Bad TIME: @1\n
const int HLP_OBJTYPE3				= 102;		// Some more objects
const int NO_ROLE					= 103;		// There is no role @1 in this database
const int INCOMPLETE_STR			= 105;		// Incomplete string in @1
const int HLP_SETSQLDIALECT			= 106;		// \tSET SQL DIALECT <n>    -- set sql dialect to <n>
const int NO_GRANT_ON_ANY			= 107;		// There is no privilege granted in this database.
const int HLP_SETPLANONLY			= 108;		// toggle display of query plan without executing
const int HLP_SETHEADING			= 109;		// toggle display of query column titles
const int HLP_SETBAIL				= 110;		// toggle bailing out on errors in non-interactive mode
const int TIME_PROMPT				= 112;		// Enter @1 as H:M:S>
const int TIMESTAMP_PROMPT			= 113;		// Enter @1 as Y/MON/D H:MIN:S[.MSEC]>
const int TIMESTAMP_ERR				= 114;		// Bad TIMESTAMP: @1\n
const int ONLY_FIRST_BLOBS			= 116;		// Printing only the first @1 blobs.
const int MSG_TABLES				= 117;		// Tables:
const int MSG_FUNCTIONS				= 118;		// Functions:
const int EXACTLINE					= 119;		// At line @1 in file @1
const int AFTERLINE					= 120;		// After line @1 in file @2
const int USAGE						= 1;		// usage: syntax
const int USAGE_NOARG				= 142;		// usage: missing argument for "@1"
const int USAGE_NOTINT				= 143;		// usage: argument "@1" for switch "@2" is not an integer
const int USAGE_RANGE				= 144;		// usage: value "@1" for switch "@2" is out of range
const int USAGE_DUPSW				= 145;		// usage: switch "@1" or its equivalent used more than once
const int USAGE_DUPDB				= 146;		// usage: more than one database name: "@1", "@2"
const int NO_DEPENDENCIES			= 147;		// No dependencies for @1 were found
const int NO_COLLATION				= 148;		// There is no collation @1 in this database
const int NO_COLLATIONS				= 149;		// There are no collations in this database
const int MSG_COLLATIONS			= 150;		// Collations:
const int NO_SECCLASS				= 151;		// There are no security classes for @1
const int NO_DB_WIDE_SECCLASS		= 152;		// There is no database-wide security class
const int CANNOT_GET_SRV_VER		= 153;		// Cannot get server version without database connection
const int BULK_PROMPT				= 156;		// "BULK> "
const int NO_CONNECTED_USERS		= 157;		// There are no connected users
const int USERS_IN_DB				= 158;		// Users in the database
const int OUTPUT_TRUNCATED			= 159;		// Output was truncated
const int VALID_OPTIONS				= 160;		// Valid options are:
const int USAGE_FETCH				= 161;		// -f(etch_password)       fetch password from file
const int PASS_FILE_OPEN			= 162;		// could not open password file @1, errno @2
const int PASS_FILE_READ			= 163;		// could not read password file @1, errno @2
const int EMPTY_PASS				= 164;		// empty password file @1
const int NO_PACKAGE				= 166;		// There is no package @1 in this database
const int NO_PACKAGES				= 167;		// There are no packages in this database
const int NO_SCHEMA					= 168;		// There is no schema @1 in this database
const int NO_SCHEMAS				= 169;		// There are no schemas in this database
const int MAXROWS_INVALID			= 170;		// Unable to convert @1 to a number for MAXWROWS option
const int MAXROWS_OUTOF_RANGE		= 171;		// Value @1 for MAXROWS is out of range. Max value is @2
const int MAXROWS_NEGATIVE			= 172;		// The value (@1) for MAXROWS must be zero or greater
const int HLP_SETEXPLAIN			= 173;		// Toggle display of query access plan in the explained form
const int NO_GRANT_ON_GEN			= 174;		// There is no privilege granted on generator @1 in this database
const int NO_GRANT_ON_XCP			= 175;		// There is no privilege granted on exception @1 in this database
const int NO_GRANT_ON_FLD			= 176;		// There is no privilege granted on domain @1 in this database
const int NO_GRANT_ON_CS			= 177;		// There is no privilege granted on character set @1 in this database
const int NO_GRANT_ON_COLL			= 178;		// There is no privilege granted on collation @1 in this database
const int NO_GRANT_ON_PKG			= 179;		// There is no privilege granted on package @1 in this database
const int NO_GRANT_ON_FUN			= 180;		// There is no privilege granted on function @1 in this database
const int REPORT_NEW1				= 181;		// Current memory = !\nDelta memory = !\nMax memory = !\nElapsed time= ~ sec\n
const int REPORT_NEW2				= 182;		// Cpu = ~ sec\n (skipped on windows)
const int REPORT_NEW3				= 183;		// Buffers = !\nReads = !\nWrites = !\nFetches = !\n
const int NO_MAP					= 184;		// There is no mapping from @1 in this database
const int NO_MAPS					= 185;		// There are no mappings in this database
const int INVALID_TERM_CHARS		= 186;		// Invalid characters for SET TERMINATOR are @1
const int NUMBER_USED_PAGES			= 190;		// Number of used DB pages = @1
const int NUMBER_FREE_PAGES			= 191;		// Number of free DB pages = @1
const int DATABASE_CRYPTED			= 192;		// DB encrypted
const int DATABASE_NOT_CRYPTED		= 193;		// DB not encrypted
const int DATABASE_CRYPT_PROCESS	= 194;		// crypt thread not complete


// Initialize types

struct sqltypes
{
	int type;
	SCHAR type_name[WORDLENGTH];
};

//
// Use T_FLOAT and T_CHAR to avoid collisions with windows defines
//
const int SMALLINT		= 7;
const int INTEGER		= 8;
const int QUAD			= 9;
const int T_FLOAT		= 10;
const int T_CHAR		= 14;
const int DOUBLE_PRECISION = 27;
const int DATE			= 35;
const int VARCHAR		= 37;
const int CSTRING		= 40;
const int BLOB_ID		= 45;
const int BLOB			= 261;
//const int SQL_DATE	= 12;
//const int SQL_TIME	= 13;
const int BIGINT		= 16;
const int BOOLEAN_TYPE	= 23;

static const sqltypes Column_types[] = {
	{SMALLINT, "SMALLINT"},		// keyword
	{INTEGER, "INTEGER"},		// keyword
	{QUAD, "QUAD"},				// keyword
	{T_FLOAT, "FLOAT"},			// keyword
	{T_CHAR, "CHAR"},			// keyword
	{DOUBLE_PRECISION, "DOUBLE PRECISION"},	// keyword
	{VARCHAR, "VARCHAR"},		// keyword
	{CSTRING, "CSTRING"},		// keyword
	{BLOB_ID, "BLOB_ID"},		// keyword
	{BLOB, "BLOB"},				// keyword
	{blr_sql_time, "TIME"},		// keyword
	{blr_sql_date, "DATE"},		// keyword
	{blr_timestamp, "TIMESTAMP"},	// keyword
	{BIGINT, "BIGINT"},			// keyword
	{BOOLEAN_TYPE, "BOOLEAN"},	// keyword
	{0, ""}
};

// Integral subtypes

const int MAX_INTSUBTYPES	= 2;

static const SCHAR* Integral_subtypes[] = {
	"UNKNOWN",					// Defined type, keyword
	"NUMERIC",					// NUMERIC, keyword
	"DECIMAL"					// DECIMAL, keyword
};

// Blob subtypes

const int MAX_BLOBSUBTYPES	= 8;

static const SCHAR* Sub_types[] = {
	"BINARY",					// keyword
	"TEXT",						// keyword
	"BLR",						// keyword
	"ACL",						// keyword
	"RANGES",					// keyword
	"SUMMARY",					// keyword
	"FORMAT",					// keyword
	"TRANSACTION_DESCRIPTION",	// keyword
	"EXTERNAL_FILE_DESCRIPTION"	// keyword
};

/* CVC: Notice that
BY REFERENCE is the default for scalars and can't be specified explicitly;
BY VMS_DESCRIPTOR is known simply as BY DESCRIPTOR and works for FB1;
BY ISC_DESCRIPTOR is the default for BLOBs and can't be used explicitly;
BY SCALAR_ARRAY_DESCRIPTOR is supported in FB2 as BY SCALAR_ARRAY, since
the server has already the capability to deliver arrays to UDFs;
BY REFERENCE_WITH_NULL his supported in FB2 to be able to signal SQL NULL
in input parameters.
The names mentioned here are documented in jrd/types.h. */

const int MAX_UDFPARAM_TYPES = 6;

static const char* UDF_param_types[] = {
	" BY VALUE",			// keyword
	"",						// BY REFERENCE
	" BY DESCRIPTOR",		// keyword in FB, internally VMS descriptor
	"",						// BY ISC_DESCRIPTOR => BLOB
	" BY SCALAR_ARRAY",		// keyword in FB v2
	" NULL",				// BY REFERENCE WITH NULL, but only appends NULL to the type
	" ERROR-type-unknown"
};

class IsqlGlobals
{
public:
	FILE* Out;
	FILE* Errfp;
	SCHAR global_Db_name[MAXPATHLEN];
	SCHAR global_Target_db[MAXPATHLEN];
	SCHAR global_Term[MAXTERM_SIZE];
	size_t Termlen;
	SCHAR User[128];
	SCHAR Role[256];
	USHORT SQL_dialect;
	USHORT db_SQL_dialect;
	// from isql.epp
	USHORT major_ods;
	USHORT minor_ods;
	USHORT att_charset;
	void printf(const char* buffer, ...);
	void prints(const char* buffer);
};

extern IsqlGlobals isqlGlob;

static const char* const SCRATCH = "fb_query_";

inline void STDERROUT(const char* st, bool cr = true)
{
	fprintf (isqlGlob.Errfp, "%s", st);
	if (cr)
		fprintf (isqlGlob.Errfp, "\n");
	fflush (isqlGlob.Errfp);
}

#ifdef DEBUG_GDS_ALLOC
#define ISQL_ALLOC(x)     gds__alloc_debug(x, __FILE__, __LINE__)
#else
#define ISQL_ALLOC(x)     gds__alloc(x)
#endif
#define ISQL_FREE(x)     {gds__free(x); x = NULL;}

static const char* const NEWLINE		= "\n";
static const char* const TAB_AS_SPACES	= "        ";

const char BLANK		= '\040';
const char DBL_QUOTE	= '\042';
const char SINGLE_QUOTE	= '\'';

struct IsqlVar
{
	const char* field;
	const char* relation;
	const char* owner;
	const char* alias;
	int subType, scale;
	unsigned type, length, charSet;
	bool nullable;
	short* nullInd;

	union TypeMix
	{
		ISC_TIMESTAMP* asDateTime;
		ISC_TIME* asTime;
		ISC_DATE* asDate;
		SSHORT* asSmallint;
		SLONG* asInteger;
		SINT64* asBigint;
		float* asFloat;
		double* asDouble;
		FB_BOOLEAN* asBoolean;
		ISC_QUAD* blobid;
		vary* asVary;
		char* asChar;
		void* setPtr;
	};
	TypeMix value;
};

#endif // ISQL_ISQL_H
