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Text File  |  1991-09-30  |  2KB  |  53 lines
  1. C
  2. C  *** / T U P L E A / ***
  3. C
  4. C  ONE TUPLE OF THE ATTRIBUTE RELATION - FORMERLY COLTBLE
  5. C
  6.       COMMON /TUPLEA/ ATTNAM,RELNAM,ATTCOL,ATTLEN,ATTCHA,ATTWDS,
  7.      X                ATTYPE,ATTKEY
  8.       REAL*8 ATTNAM
  9.       REAL*8 RELNAM
  10.       INTEGER ATTCOL
  11.       INTEGER ATTLEN
  12.       INTEGER ATTCHA
  13.       INTEGER ATTWDS
  14.       INTEGER ATTYPE
  15.       INTEGER ATTKEY
  16. C
  17. C  VARIABLE DEFINITIONS:
  18. C         ATTNAM--NAME OF ATTRIBUTE
  19. C         RELNAM--NAME OF RELATION
  20. C         ATTCOL--STARTING COLUMN FOR ATTRIBUTE IN RELATION
  21. C         ATTLEN--ATTRIBUTE LENGTH DATA - CALL ITOH(A,B,ATTLEN)
  22. C                 TYPE    LENGTH   A        B
  23. C                 ------  -------  -------  -------
  24. C                 TEXT    FIXED    NCHAR    NWORDS
  25. C                 INT     FIXED    0        NWORDS
  26. C                 REAL    FIXED    0        NWORDS
  27. C                 DOUB    FIXED    0        NWORDS (2*ITEMS)
  28. C                 IVEC    FIXED    ROWS     NWORDS
  29. C                 RVEC    FIXED    ROWS     NWORDS
  30. C                 DVEC    FIXED    ROWS     NWORDS (2*ITEMS)
  31. C                 IMAT    FIXED    ROWS     NWORDS (ROWS*COLS)
  32. C                 RMAT    FIXED    ROWS     NWORDS (ROWS*COLS)
  33. C                 DMAT    FIXED    ROWS     NWORDS (2*ROWS*COLS)
  34. C                 TEXT    VAR      0        0
  35. C                 INT     VAR      0        0
  36. C                 REAL    VAR      0        0
  37. C                 DOUB    VAR      0        0
  38. C                 IVEC    VAR      0        0
  39. C                 RVEC    VAR      0        0
  40. C                 DVEC    VAR      0        0
  41. C                 IMAT    FIX-VAR  ROWS     0
  42. C                 RMAT    FIX-VAR  ROWS     0
  43. C                 DMAT    FIX-VAR  ROWS     0
  44. C                 IMAT    VAR-VAR  0        0
  45. C                 RMAT    VAR-VAR  0        0
  46. C                 DMAT    VAR-VAR  0        0
  47. C         ATTCHA--THE "A" VALUE FROM ATTLEN
  48. C         ATTWDS--THE "B" VALUE FROM ATTLEN
  49. C         ATTYPE--VARIABLE TYPE (INT,REAL,TEXT,DOUB,ETC.)
  50. C         ATTKEY--0 FOR NON-KEY ATTRIBUTES
  51. C                 BTREE START FOR KEY ATTRIBUTES
  52. C
  53.