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|
/************** PlgDBSem H Declares Source Code File (.H) **************/
/* Name: PLGDBSEM.H Version 3.8 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 1998-2019 */
/* */
/* This file contains the CONNECT storage engine definitions. */
/***********************************************************************/
/***********************************************************************/
/* Include required application header files */
/***********************************************************************/
#include "checklvl.h"
/***********************************************************************/
/* DB Constant definitions. */
/***********************************************************************/
#if defined(FRENCH)
#define DEFAULT_LOCALE "French"
#else // !FRENCH
#define DEFAULT_LOCALE "English"
#endif // !FRENCH
#define DOS_MAX_PATH 144 /* Must be the same across systems */
#define DOS_BUFF_LEN 100 /* Number of lines in binary file buffer */
#undef DOMAIN /* For Unix version */
enum BLKTYP {TYPE_TABLE = 50, /* Table Name/Srcdef/... Block */
TYPE_COLUMN = 51, /* Column Name/Qualifier Block */
TYPE_TDB = 53, /* Table Description Block */
TYPE_COLBLK = 54, /* Column Description Block */
TYPE_FILTER = 55, /* Filter Description Block */
TYPE_ARRAY = 63, /* General array type */
TYPE_PSZ = 64, /* Pointer to String ended by 0 */
TYPE_SQL = 65, /* Pointer to SQL block */
TYPE_XOBJECT = 69, /* Extended DB object */
TYPE_COLCRT = 71, /* Column creation block */
TYPE_CONST = 72, /* Constant */
/*-------------------- additional values used by LNA ------------------*/
TYPE_COLIST = 14, /* Column list */
TYPE_COL = 41, /* Column */
/*-------------------- types used by scalar functions -----------------*/
TYPE_NUM = 12,
TYPE_UNDEF = 13,
/*-------------------- file blocks used when closing ------------------*/
TYPE_FB_FILE = 22, /* File block (stream) */
TYPE_FB_MAP = 23, /* Mapped file block (storage) */
TYPE_FB_HANDLE = 24, /* File block (handle) */
TYPE_FB_XML = 21, /* DOM XML file block */
TYPE_FB_XML2 = 27, /* libxml2 XML file block */
TYPE_FB_ODBC = 25, /* ODBC file block */
TYPE_FB_ZIP = 28, /* ZIP file block */
TYPE_FB_JAVA = 29, /* JAVA file block */
TYPE_FB_MONGO = 30}; /* MONGO file block */
enum TABTYPE {TAB_UNDEF = 0, /* Table of undefined type */
TAB_DOS = 1, /* Fixed column offset, variable LRECL */
TAB_FIX = 2, /* Fixed column offset, fixed LRECL */
TAB_BIN = 3, /* Like FIX but can have binary fields */
TAB_CSV = 4, /* DOS files with CSV records */
TAB_FMT = 5, /* DOS files with formatted records */
TAB_DBF = 6, /* DBF Dbase or Foxpro files */
TAB_XML = 7, /* XML or HTML files */
TAB_INI = 8, /* INI or CFG files */
TAB_VEC = 9, /* Vector column arrangement */
TAB_ODBC = 10, /* Table accessed via (unix)ODBC */
TAB_MYSQL = 11, /* MySQL table accessed via MySQL API */
TAB_DIR = 12, /* Returns a list of files */
TAB_MAC = 13, /* MAC address (Windows only) */
TAB_WMI = 14, /* WMI tables (Windows only) */
TAB_TBL = 15, /* Collection of CONNECT tables */
TAB_OEM = 16, /* OEM implemented table */
TAB_XCL = 17, /* XCL table */
TAB_OCCUR = 18, /* OCCUR table */
TAB_PRX = 19, /* Proxy (catalog) table */
TAB_PLG = 20, /* PLG NIY */
TAB_PIVOT = 21, /* PIVOT table */
TAB_VIR = 22, /* Virtual tables */
TAB_JSON = 23, /* JSON tables */
TAB_JCT = 24, /* Junction tables NIY */
TAB_DMY = 25, /* DMY Dummy tables NIY */
TAB_JDBC = 26, /* Table accessed via JDBC */
TAB_ZIP = 27, /* ZIP file info table */
TAB_MONGO = 28, /* Table retrieved from MongoDB */
TAB_REST = 29, /* Table retrieved from Rest */
TAB_BSON = 30, /* BSON Table (development) */
TAB_NIY = 31}; /* Table not implemented yet */
enum AMT {TYPE_AM_ERROR = 0, /* Type not defined */
TYPE_AM_ROWID = 1, /* ROWID type (special column) */
TYPE_AM_FILID = 2, /* FILEID type (special column) */
TYPE_AM_TAB = 3, /* Table (any type) */
TYPE_AM_VIEW = 4, /* VIEW (any type) */
TYPE_AM_SRVID = 5, /* SERVID type (special column) */
TYPE_AM_TABID = 6, /* TABID type (special column) */
TYPE_AM_CNSID = 7, /* CONSTID type (special column) */
TYPE_AM_PRTID = 8, /* PARTID type (special column) */
TYPE_AM_COUNT = 10, /* CPT AM type no (count table) */
TYPE_AM_DCD = 20, /* Decode access method type no */
TYPE_AM_CMS = 30, /* CMS access method type no */
TYPE_AM_MAP = 32, /* MAP access method type no */
TYPE_AM_FMT = 33, /* DOS files with formatted recs */
TYPE_AM_CSV = 34, /* DOS files with CSV records */
TYPE_AM_MCV = 35, /* MAP files with CSV records */
TYPE_AM_DOS = 36, /* DOS am with Lrecl = V */
TYPE_AM_FIX = 38, /* DOS am with Lrecl = F */
TYPE_AM_BIN = 39, /* DOS am with Lrecl = B */
TYPE_AM_VCT = 40, /* VCT access method type no */
TYPE_AM_VMP = 43, /* VMP access method type no */
TYPE_AM_QRY = 50, /* QRY access method type no */
TYPE_AM_QRS = 51, /* QRYRES access method type no */
TYPE_AM_SQL = 60, /* SQL VIEW access method type */
TYPE_AM_PLG = 70, /* PLG access method type no */
TYPE_AM_PLM = 71, /* PDM access method type no */
TYPE_AM_DOM = 80, /* DOM access method type no */
TYPE_AM_DIR = 90, /* DIR access method type no */
TYPE_AM_ODBC = 100, /* ODBC access method type no */
TYPE_AM_XDBC = 101, /* XDBC access method type no */
TYPE_AM_JDBC = 102, /* JDBC access method type no */
TYPE_AM_XJDC = 103, /* XJDC access method type no */
TYPE_AM_OEM = 110, /* OEM access method type no */
TYPE_AM_TBL = 115, /* TBL access method type no */
TYPE_AM_PIVOT = 120, /* PIVOT access method type no */
TYPE_AM_SRC = 121, /* PIVOT multiple column type no */
TYPE_AM_FNC = 122, /* PIVOT source column type no */
TYPE_AM_XCOL = 124, /* XCOL access method type no */
TYPE_AM_XML = 127, /* XML access method type no */
TYPE_AM_OCCUR = 128, /* OCCUR access method type no */
TYPE_AM_PRX = 129, /* PROXY access method type no */
TYPE_AM_XTB = 130, /* SYS table access method type */
TYPE_AM_BLK = 131, /* BLK access method type no */
TYPE_AM_GZ = 132, /* GZ access method type no */
TYPE_AM_ZLIB = 133, /* ZLIB access method type no */
TYPE_AM_JSON = 134, /* JSON access method type no */
TYPE_AM_JSN = 135, /* JSN access method type no */
TYPE_AM_MAC = 137, /* MAC table access method type */
TYPE_AM_WMI = 139, /* WMI table access method type */
TYPE_AM_XCL = 140, /* SYS column access method type */
TYPE_AM_INI = 150, /* INI files access method */
TYPE_AM_TFC = 155, /* TFC (Circa) (Fuzzy compare) */
TYPE_AM_DBF = 160, /* DBF Dbase files am type no */
TYPE_AM_JCT = 170, /* Junction tables am type no */
TYPE_AM_VIR = 171, /* Virtual tables am type no */
TYPE_AM_DMY = 172, /* DMY Dummy tables am type no */
TYPE_AM_SET = 180, /* SET Set tables am type no */
TYPE_AM_MYSQL = 190, /* MYSQL access method type no */
TYPE_AM_MYX = 191, /* MYSQL EXEC access method type */
TYPE_AM_CAT = 192, /* Catalog access method type no */
TYPE_AM_ZIP = 193, /* ZIP access method type no */
TYPE_AM_MGO = 194, /* MGO access method type no */
TYPE_AM_OUT = 200}; /* Output relations (storage) */
enum RECFM {RECFM_DFLT = 0, /* Default table type */
RECFM_NAF = 1, /* Not a file table */
RECFM_OEM = 2, /* OEM table */
RECFM_VAR = 3, /* Varying length DOS files */
RECFM_FIX = 4, /* Fixed length DOS files */
RECFM_BIN = 5, /* Binary DOS files (also fixed) */
RECFM_DBF = 6, /* DBase formatted file */
RECFM_CSV = 7, /* CSV file */
RECFM_FMT = 8, /* FMT formatted file */
RECFM_VCT = 9, /* VCT formatted files */
RECFM_XML = 10, /* XML formatted files */
RECFM_JSON = 11, /* JSON formatted files */
RECFM_DIR = 12, /* DIR table */
RECFM_ODBC = 13, /* Table accessed via ODBC */
RECFM_JDBC = 14, /* Table accessed via JDBC */
RECFM_PLG = 15}; /* Table accessed via PLGconn */
enum MISC {DB_TABNO = 1, /* DB routines in Utility Table */
MAX_MULT_KEY = 10, /* Max multiple key number */
NAM_LEN = 128, /* Length of col and tab names */
ARRAY_SIZE = 50, /* Default array block size */
// MAXRES = 500, /* Default maximum result lines */
// MAXLIN = 10000, /* Default maximum data lines */
MAXBMP = 32}; /* Default XDB2 max bitmap size */
#if 0
enum ALGMOD {AMOD_AUTO = 0, /* PLG chooses best algorithm */
AMOD_SQL = 1, /* Use SQL algorithm */
AMOD_QRY = 2}; /* Use QUERY algorithm */
#endif // 0
enum MODE {MODE_ERROR = -1, /* Invalid mode */
MODE_ANY = 0, /* Unspecified mode */
MODE_READ = 10, /* Input/Output mode */
MODE_READX = 11, /* Read indexed mode */
MODE_WRITE = 20, /* Input/Output mode */
MODE_UPDATE = 30, /* Input/Output mode */
MODE_INSERT = 40, /* Input/Output mode */
MODE_DELETE = 50, /* Input/Output mode */
MODE_ALTER = 60}; /* alter mode */
#if !defined(RC_OK_DEFINED)
#define RC_OK_DEFINED
enum RCODE {RC_OK = 0, /* No error return code */
RC_NF = 1, /* Not found return code */
RC_EF = 2, /* End of file return code */
RC_FX = 3, /* Error return code */
RC_INFO = 4}; /* Success with info */
#endif // !RC_OK_DEFINED
enum OPVAL {OP_EQ = 1, /* Filtering operator = */
OP_NE = 2, /* Filtering operator != */
OP_GT = 3, /* Filtering operator > */
OP_GE = 4, /* Filtering operator >= */
OP_LT = 5, /* Filtering operator < */
OP_LE = 6, /* Filtering operator <= */
OP_IN = 7, /* Filtering operator IN */
OP_NULL = 8, /* Filtering operator IS NULL */
OP_EXIST = 9, /* Filtering operator EXISTS */
OP_LIKE = 10, /* Filtering operator LIKE */
OP_LOJ = -1, /* Filter op LEFT OUTER JOIN */
OP_ROJ = -2, /* Filter op RIGHT OUTER JOIN */
OP_DTJ = -3, /* Filter op DISTINCT JOIN */
OP_XX = 11, /* Filtering operator unknown */
OP_AND = 12, /* Filtering operator AND */
OP_OR = 13, /* Filtering operator OR */
OP_CNC = 14, /* Expression Concat operator */
OP_NOT = 15, /* Filtering operator NOT */
OP_SEP = 20, /* Filtering separator */
OP_ADD = 16, /* Expression Add operator */
OP_SUB = 17, /* Expression Substract operator */
OP_MULT = 18, /* Expression Multiply operator */
OP_DIV = 19, /* Expression Divide operator */
OP_NUM = 22, /* Scalar function Op Num */
OP_MAX = 24, /* Scalar function Op Max */
OP_MIN = 25, /* Scalar function Op Min */
OP_EXP = 36, /* Scalar function Op Exp */
OP_FDISK = 94, /* Operator Disk of fileid */
OP_FPATH = 95, /* Operator Path of fileid */
OP_FNAME = 96, /* Operator Name of fileid */
OP_FTYPE = 97, /* Operator Type of fileid */
OP_LAST = 82, /* Index operator Find Last */
OP_FIRST = 106, /* Index operator Find First */
OP_NEXT = 107, /* Index operator Find Next */
OP_SAME = 108, /* Index operator Find Next Same */
OP_FSTDIF = 109, /* Index operator Find First dif */
OP_NXTDIF = 110, /* Index operator Find Next dif */
OP_PREV = 116}; /* Index operator Find Previous */
#if 0
OP_NOP = 21, /* Scalar function is nopped */
OP_ABS = 23, /* Scalar function Op Abs */
OP_CEIL = 26, /* Scalar function Op Ceil */
OP_FLOOR = 27, /* Scalar function Op Floor */
OP_MOD = 28, /* Scalar function Op Mod */
OP_ROUND = 29, /* Scalar function Op Round */
OP_SIGN = 30, /* Scalar function Op Sign */
OP_LEN = 31, /* Scalar function Op Len */
OP_INSTR = 32, /* Scalar function Op Instr */
OP_LEFT = 33, /* Scalar function Op Left */
OP_RIGHT = 34, /* Scalar function Op Right */
OP_ASCII = 35, /* Scalar function Op Ascii */
OP_EXP = 36, /* Scalar function Op Exp */
OP_LN = 37, /* Scalar function Op Ln */
OP_LOG = 38, /* Scalar function Op Log */
OP_POWER = 39, /* Scalar function Op Power */
OP_SQRT = 40, /* Scalar function Op Sqrt */
OP_COS = 41, /* Scalar function Op Cos */
OP_COSH = 42, /* Scalar function Op Cosh */
OP_SIN = 43, /* Scalar function Op Sin */
OP_SINH = 44, /* Scalar function Op Sinh */
OP_TAN = 45, /* Scalar function Op Tan */
OP_TANH = 46, /* Scalar function Op Tanh */
OP_USER = 47, /* Scalar function Op User */
OP_CHAR = 48, /* Scalar function Op Char */
OP_UPPER = 49, /* Scalar function Op Upper */
OP_LOWER = 50, /* Scalar function Op Lower */
OP_RPAD = 51, /* Scalar function Op Rpad */
OP_LPAD = 52, /* Scalar function Op Lpad */
OP_LTRIM = 53, /* Scalar function Op Ltrim */
OP_RTRIM = 54, /* Scalar function Op Rtrim */
OP_REPL = 55, /* Scalar function Op Replace */
OP_SUBST = 56, /* Scalar function Op Substr */
OP_LJUST = 57, /* Scalar function Op Ljustify */
OP_RJUST = 58, /* Scalar function Op Rjustify */
OP_CJUST = 59, /* Scalar function Op Cjustify */
OP_ENCODE = 60, /* Scalar function Op Encode */
OP_DECODE = 61, /* Scalar function Op Decode */
OP_SEQU = 62, /* Scalar function Op Sequence */
OP_IF = 63, /* Scalar function Op If */
OP_STRING = 64, /* Scalar function Op String */
OP_TOKEN = 65, /* Scalar function Op Token */
OP_SNDX = 66, /* Scalar function Op Soundex */
OP_DATE = 67, /* Scalar function Op Date */
OP_MDAY = 68, /* Scalar function Op Month Day */
OP_MONTH = 69, /* Scalar function Op Month of */
OP_YEAR = 70, /* Scalar function Op Year of */
OP_WDAY = 71, /* Scalar function Op Week Day */
OP_YDAY = 72, /* Scalar function Op Year Day */
OP_DBTWN = 73, /* Scalar function Op Days betwn */
OP_MBTWN = 74, /* Scalar function Op Months btw */
OP_YBTWN = 75, /* Scalar function Op Years btwn */
OP_ADDAY = 76, /* Scalar function Op Add Days */
OP_ADDMTH = 77, /* Scalar function Op Add Months */
OP_ADDYR = 78, /* Scalar function Op Add Years */
OP_NXTDAY = 79, /* Scalar function Op Next Day */
OP_SYSDT = 80, /* Scalar function Op SysDate */
OP_DELTA = 81, /* Scalar function Op Delta */
OP_LAST = 82, /* Scalar function Op Last */
OP_IFF = 83, /* Scalar function Op Iff */
OP_MAVG = 84, /* Scalar function Op Moving Avg */
OP_VWAP = 85, /* Scalar function Op VWAP */
OP_TIME = 86, /* Scalar function Op TIME */
OP_SETLEN = 87, /* Scalar function Op Set Length */
OP_TRANSL = 88, /* Scalar function Op Translate */
OP_BITAND = 89, /* Expression BitAnd operator */
OP_BITOR = 90, /* Expression BitOr operator */
OP_BITXOR = 91, /* Expression XOR operator */
OP_BITNOT = 92, /* Expression Complement operator*/
OP_CNTIN = 93, /* Scalar function Count In */
OP_FDISK = 94, /* Scalar function Disk of fileid*/
OP_FPATH = 95, /* Scalar function Path of fileid*/
OP_FNAME = 96, /* Scalar function Name of fileid*/
OP_FTYPE = 97, /* Scalar function Type of fileid*/
OP_XDATE = 98, /* Scalar function Op Fmt Date */
OP_SWITCH = 99, /* Scalar function Op Switch */
OP_EXIT = 100, /* Scalar function Op Exit */
OP_LIT = 101, /* Scalar function Op Literal */
OP_LOCALE = 102, /* Scalar function Op Locale */
OP_FRNCH = 103, /* Scalar function Op French */
OP_ENGLSH = 104, /* Scalar function Op English */
OP_RAND = 105, /* Scalar function Op Rand(om) */
OP_FIRST = 106, /* Index operator Find First */
OP_NEXT = 107, /* Index operator Find Next */
OP_SAME = 108, /* Index operator Find Next Same */
OP_FSTDIF = 109, /* Index operator Find First dif */
OP_NXTDIF = 110, /* Index operator Find Next dif */
OP_VAL = 111, /* Scalar function Op Valist */
OP_QUART = 112, /* Scalar function Op QUARTER */
OP_CURDT = 113, /* Scalar function Op CurDate */
OP_NWEEK = 114, /* Scalar function Op Week number*/
OP_ROW = 115, /* Scalar function Op Row */
OP_PREV = 116, /* Index operator Find Previous */
OP_SYSTEM = 200, /* Scalar function Op System */
OP_REMOVE = 201, /* Scalar function Op Remove */
OP_RENAME = 202, /* Scalar function Op Rename */
OP_FCOMP = 203}; /* Scalar function Op Compare */
#endif // 0
enum TUSE {USE_NO = 0, /* Table is not yet linearized */
USE_LIN = 1, /* Table is linearized */
USE_READY = 2, /* Column buffers are allocated */
USE_OPEN = 3, /* Table is open */
USE_CNT = 4, /* Specific to LNA */
USE_NOKEY = 5}; /* Specific to SqlToHql */
/***********************************************************************/
/* Following definitions are used to indicate the status of a column. */
/***********************************************************************/
enum STATUS {BUF_NO = 0x00, /* Column buffer not allocated */
BUF_EMPTY = 0x01, /* Column buffer is empty */
BUF_READY = 0x02, /* Column buffer is ready */
BUF_READ = 0x04, /* Column buffer has read value */
BUF_MAPPED = 0x08}; /* Used by the VMPFAM class */
/***********************************************************************/
/* Following definitions are used to indicate how a column is used. */
/* Corresponding bits are ON if the column is used in: */
/***********************************************************************/
enum COLUSE {U_P = 0x01, /* the projection list. */
U_J_EXT = 0x02, /* a join filter. */
U_J_INT = 0x04, /* a join after linearisation. */
/*-- Such a column have a constant value throughout a subquery eval. --*/
U_CORREL = 0x08, /* a correlated sub-query */
/*-------------------- additional values used by CONNECT --------------*/
U_VAR = 0x10, /* a VARCHAR column */
U_VIRTUAL = 0x20, /* a VIRTUAL column */
U_NULLS = 0x40, /* The column may have nulls */
U_IS_NULL = 0x80, /* The column has a null value */
U_SPECIAL = 0x100, /* The column is special */
U_UNSIGNED = 0x200, /* The column type is unsigned */
U_ZEROFILL = 0x400, /* The column is zero filled */
U_UUID = 0x800}; /* The column is a UUID */
/***********************************************************************/
/* DB description class and block pointer definitions. */
/***********************************************************************/
typedef class XTAB *PTABLE;
typedef class COLUMN *PCOLUMN;
typedef class XOBJECT *PXOB;
typedef class COLBLK *PCOL;
typedef class TDB *PTDB;
typedef class TDBASE *PTDBASE;
typedef class TDBEXT *PTDBEXT;
typedef class TDBDOS *PTDBDOS;
typedef class TDBFIX *PTDBFIX;
typedef class TDBFMT *PTDBFMT;
typedef class TDBCSV *PTDBCSV;
typedef class TDBDOM *PTDBDOM;
typedef class TDBDIR *PTDBDIR;
typedef class DOSCOL *PDOSCOL;
typedef class CSVCOL *PCSVCOL;
typedef class MAPCOL *PMAPCOL;
typedef class TDBMFT *PTDBMFT;
typedef class TDBMCV *PTDBMCV;
typedef class MCVCOL *PMCVCOL;
typedef class RESCOL *PRESCOL;
typedef class XXBASE *PKXBASE;
typedef class KXYCOL *PXCOL;
typedef class CATALOG *PCATLG;
typedef class RELDEF *PRELDEF;
typedef class TABDEF *PTABDEF;
typedef class EXTDEF *PEXTBDEF;
typedef class DOSDEF *PDOSDEF;
typedef class CSVDEF *PCSVDEF;
typedef class VCTDEF *PVCTDEF;
typedef class PIVOTDEF *PPIVOTDEF;
typedef class DOMDEF *PDOMDEF;
typedef class DIRDEF *PDIRDEF;
typedef class RESTDEF *PRESTDEF;
typedef class OEMDEF *POEMDEF;
typedef class COLCRT *PCOLCRT;
typedef class COLDEF *PCOLDEF;
typedef class CONSTANT *PCONST;
typedef class VALUE *PVAL;
typedef class VALBLK *PVBLK;
typedef class FILTER *PFIL;
typedef struct _fblock *PFBLOCK;
typedef struct _mblock *PMBLOCK;
typedef struct _cblock *PCBLOCK;
typedef struct _tabs *PTABS;
typedef struct _qryres *PQRYRES;
typedef struct _colres *PCOLRES;
typedef struct _datpar *PDTP;
typedef struct indx_used *PXUSED;
typedef struct ha_table_option_struct TOS, *PTOS;
/***********************************************************************/
/* Utility blocks for file and storage. */
/***********************************************************************/
typedef struct _fblock { /* Opened (mapped) file block */
struct _fblock *Next;
LPCSTR Fname; /* Point on file name */
size_t Length; /* File length (<4GB) */
short Count; /* Nb of times map is used */
short Type; /* TYPE_FB_FILE or TYPE_FB_MAP */
MODE Mode; /* Open mode */
char *Memory; /* Pointer to file mapping view */
void *File; /* FILE pointer */
HANDLE Handle; /* File handle */
} FBLOCK;
typedef struct _mblock { /* Memory block */
PMBLOCK Next;
bool Inlist; /* True if in mblock list */
size_t Size; /* Size of allocation */
bool Sub; /* True if suballocated */
void *Memp; /* Memory pointer */
} MBLOCK;
/***********************************************************************/
/* The QUERY application User Block. */
/***********************************************************************/
typedef struct { /* User application block */
NAME Name; /* User application name */
char Server[17]; /* Server name */
char DBName[17]; /* Current database name */
PCATLG Catalog; /* To CATALOG class */
PQRYRES Result; /* To query result blocks */
PFBLOCK Openlist; /* To file/map open list */
PMBLOCK Memlist; /* To memory block list */
PXUSED Xlist; /* To used index list */
int Maxbmp; /* Maximum XDB2 bitmap size */
int Check; /* General level of checking */
int Numlines; /* Number of lines involved */
//USETEMP UseTemp; /* Use temporary file */
int Vtdbno; /* Used for TDB number setting */
bool Remote; /* true: if remotely called */
bool Proginfo; /* true: return progress info */
bool Subcor; /* Used for Progress info */
size_t ProgMax; /* Used for Progress info */
size_t ProgCur; /* Used for Progress info */
size_t ProgSav; /* Used for Progress info */
LPCSTR Step; /* Execution step name */
} DBUSERBLK, *PDBUSER;
/***********************************************************************/
/* Column output format. */
/***********************************************************************/
typedef struct _format { /* Format descriptor block */
char Type[2]; /* C:char, F:double, N:int, Dx: date */
ushort Length; /* Output length */
short Prec; /* Output precision */
} FORMAT, *PFORMAT;
/***********************************************************************/
/* Definition of blocks used in type and copy routines. */
/***********************************************************************/
typedef struct _tabptr { /* start=P1 */
struct _tabptr *Next;
int Num; /* alignement */
void *Old[50];
void *New[50]; /* old and new values of copied ptrs */
} TABPTR, *PTABPTR;
typedef struct _tabadr { /* start=P3 */
struct _tabadr *Next;
int Num;
void *Adx[50]; /* addr of pointers to be reset */
} TABADR, *PTABADR;
typedef struct _tabs {
PGLOBAL G;
PTABPTR P1;
PTABADR P3;
} TABS;
/***********************************************************************/
/* Argument of expression, function, filter etc. (Xobject) */
/***********************************************************************/
typedef struct _arg { /* Argument */
PXOB To_Obj; /* To the argument object */
PVAL Value; /* Argument value */
bool Conv; /* TRUE if conversion is required */
} ARGBLK, *PARG;
typedef struct _oper { /* Operator */
PSZ Name; /* The input/output operator name */
OPVAL Val; /* Operator numeric value */
int Mod; /* The modificator */
} OPER, *POPER;
/***********************************************************************/
/* Following definitions are used to define table fields (columns). */
/***********************************************************************/
enum XFLD {FLD_NO = 0, /* Not a field definition item */
FLD_NAME = 1, /* Item name */
FLD_TYPE = 2, /* Field type */
FLD_TYPENAME = 3, /* Field type name */
FLD_PREC = 4, /* Field precision (length?) */
FLD_LENGTH = 5, /* Field length (?) */
FLD_SCALE = 6, /* Field scale (precision) */
FLD_RADIX = 7, /* Field radix */
FLD_NULL = 8, /* Field nullable property */
FLD_REM = 9, /* Field comment (remark) */
FLD_CHARSET = 10, /* Field collation */
FLD_KEY = 11, /* Field key property */
FLD_DEFAULT = 12, /* Field default value */
FLD_EXTRA = 13, /* Field extra info */
FLD_PRIV = 14, /* Field priviledges */
FLD_DATEFMT = 15, /* Field date format */
FLD_FORMAT = 16, /* Field format */
FLD_CAT = 17, /* Table catalog */
FLD_SCHEM = 18, /* Table schema */
FLD_TABNAME = 19, /* Column Table name */
FLD_FLAG = 20}; /* Field flag (CONNECT specific) */
/***********************************************************************/
/* Result of last SQL noconv query. */
/***********************************************************************/
typedef struct _qryres {
PCOLRES Colresp; /* Points to columns of result */
bool Continued; /* true when more rows to fetch */
bool Truncated; /* true when truncated by maxres */
bool Suball; /* true when entirely suballocated */
bool Info; /* true when info msg generated */
int Maxsize; /* Max query number of lines */
int Maxres; /* Allocation size */
int Nblin; /* Number of rows in result set */
int Nbcol; /* Number of columns in result set */
int Cursor; /* Starting position to get data */
int BadLines; /* Skipped bad lines in table file */
} QRYRES, *PQRYRES;
typedef struct _colres {
PCOLRES Next; /* To next result column */
PCOL Colp; /* To matching column block */
PCSZ Name; /* Column header */
PVBLK Kdata; /* Column block of values */
char *Nulls; /* Column null value array */
int Type; /* Internal type */
int Datasize; /* Overall data size */
int Ncol; /* Column number */
int Clen; /* Data individual internal size */
int Length; /* Data individual print length */
int Prec; /* Precision */
int Flag; /* Flag option value */
XFLD Fld; /* Type of field info */
char Var; /* Type added information */
} COLRES;
#if defined(_WIN32) && !defined(NOEX)
#define DllExport __declspec( dllexport )
#else // !_WIN32
#define DllExport
#endif // !_WIN32
/***********************************************************************/
/* Utility routines. */
/***********************************************************************/
PPARM Vcolist(PGLOBAL, PTDB, PSZ, bool);
void PlugPutOut(PGLOBAL, FILE *, short, void *, uint);
void PlugLineDB(PGLOBAL, PSZ, short, void *, uint);
//ar *PlgGetDataPath(PGLOBAL g);
char *SetPath(PGLOBAL g, const char *path);
char *ExtractFromPath(PGLOBAL, char *, char *, OPVAL);
void AddPointer(PTABS, void *);
PDTP MakeDateFormat(PGLOBAL, PCSZ, bool, bool, int);
int ExtractDate(char *, PDTP, int, int val[6]);
/**************************************************************************/
/* Allocate the result structure that will contain result data. */
/**************************************************************************/
DllExport PQRYRES PlgAllocResult(PGLOBAL g, int ncol, int maxres, int ids,
int *buftyp, XFLD *fldtyp,
unsigned int *length,
bool blank, bool nonull);
/***********************************************************************/
/* Exported utility routines. */
/***********************************************************************/
DllExport FILE *PlugOpenFile(PGLOBAL, LPCSTR, LPCSTR);
DllExport FILE *PlugReopenFile(PGLOBAL, PFBLOCK, LPCSTR);
DllExport int PlugCloseFile(PGLOBAL, PFBLOCK, bool all = false);
DllExport void PlugCleanup(PGLOBAL, bool);
DllExport bool GetPromptAnswer(PGLOBAL, char *);
DllExport char *GetAmName(PGLOBAL g, AMT am, void *memp = NULL);
DllExport PDBUSER PlgMakeUser(PGLOBAL g);
DllExport PDBUSER PlgGetUser(PGLOBAL g);
DllExport PCATLG PlgGetCatalog(PGLOBAL g, bool jump = true);
DllExport bool PlgSetXdbPath(PGLOBAL g, PSZ, PSZ, char *, int, char *, int);
DllExport void PlgDBfree(MBLOCK&);
DllExport void *PlgDBSubAlloc(PGLOBAL g, void *memp, size_t size);
DllExport char *PlgDBDup(PGLOBAL g, const char *str);
DllExport void *PlgDBalloc(PGLOBAL, void *, MBLOCK&);
DllExport void *PlgDBrealloc(PGLOBAL, void *, MBLOCK&, size_t);
DllExport void NewPointer(PTABS, void *, void *);
//lExport char *GetIni(int n= 0); // Not used anymore
DllExport void SetTrc(void);
DllExport PCSZ GetListOption(PGLOBAL, PCSZ, PCSZ, PCSZ def=NULL);
DllExport PCSZ GetStringTableOption(PGLOBAL, PTOS, PCSZ, PCSZ);
DllExport bool GetBooleanTableOption(PGLOBAL, PTOS, PCSZ, bool);
DllExport int GetIntegerTableOption(PGLOBAL, PTOS, PCSZ, int);
#define MSGID_NONE 0
#define MSGID_CANNOT_OPEN 1
#define MSGID_OPEN_MODE_ERROR 2
#define MSGID_OPEN_STRERROR 3
#define MSGID_OPEN_ERROR_AND_STRERROR 4
#define MSGID_OPEN_MODE_STRERROR 5
#define MSGID_OPEN_EMPTY_FILE 6
FILE *global_fopen(GLOBAL *g, int msgid, const char *path, const char *mode);
int global_open(GLOBAL *g, int msgid, const char *filename, int flags);
int global_open(GLOBAL *g, int msgid, const char *filename, int flags, int mode);
DllExport LPCSTR PlugSetPath(LPSTR to, LPCSTR name, LPCSTR dir);
char *MakeEscape(PGLOBAL g, char* str, char q);
DllExport bool PushWarning(PGLOBAL, PTDB, int level = 1);
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