Implementation of db-lib bulk copy functions.
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#include <stdarg.h>#include <stdio.h>#include <assert.h>#include <tds.h>#include <tdsiconv.h>#include <tdsconvert.h>#include <replacements.h>#include <sybfront.h>#include <sybdb.h>#include <syberror.h>#include <dblib.h>Defines | |
| #define | fseeko(f, o, w) fseek(f,o,w) |
| #define | ftello(f) ftell(f) |
| #define | HOST_COL_CONV_ERROR 1 |
| #define | HOST_COL_NULL_ERROR 2 |
| #define | MAX(a, b) ( (a) > (b) ? (a) : (b) ) |
Typedefs | |
| typedef long | offset_type |
Functions | |
| static RETCODE | _bcp_check_eof (DBPROCESS *dbproc, FILE *file, int icol) |
| static RETCODE | _bcp_exec_in (DBPROCESS *dbproc, DBINT *rows_copied) |
| static RETCODE | _bcp_exec_out (DBPROCESS *dbproc, DBINT *rows_copied) |
| static char * | _bcp_fgets (char *buffer, int size, FILE *f) |
| static void | _bcp_free_columns (DBPROCESS *dbproc) |
| static void | _bcp_free_storage (DBPROCESS *dbproc) |
| static int | _bcp_get_col_data (TDSBCPINFO *bcpinfo, TDSCOLUMN *bindcol, int offset) |
| For a bcp in from program variables, get the data from the host variable. | |
| static int | _bcp_get_term_var (BYTE *pdata, BYTE *term, int term_len) |
| Get the data for bcp-in from program variables, where the program data have been identified as character terminated, This is a low-level, internal function. | |
| static offset_type | _bcp_measure_terminated_field (FILE *hostfile, BYTE *terminator, int term_len) |
| static int | _bcp_no_get_col_data (TDSBCPINFO *bcpinfo, TDSCOLUMN *bindcol, int offset) |
| static void | _bcp_null_error (TDSBCPINFO *bcpinfo, int index, int offset) |
| static RETCODE | _bcp_read_hostfile (DBPROCESS *dbproc, FILE *hostfile, int *row_error) |
| static int | _bcp_readfmt_colinfo (DBPROCESS *dbproc, char *buf, BCP_HOSTCOLINFO *ci) |
| DBINT | bcp_batch (DBPROCESS *dbproc) |
| Commit a set of rows to the table. | |
| RETCODE | bcp_bind (DBPROCESS *dbproc, BYTE *varaddr, int prefixlen, DBINT varlen, BYTE *terminator, int termlen, int vartype, int table_column) |
| Bind a program host variable to a database column. | |
| RETCODE | bcp_colfmt (DBPROCESS *dbproc, int host_colnum, int host_type, int host_prefixlen, DBINT host_collen, const BYTE *host_term, int host_termlen, int table_colnum) |
| Specify the format of a datafile prior to writing to a table. | |
| RETCODE | bcp_colfmt_ps (DBPROCESS *dbproc, int host_colnum, int host_type, int host_prefixlen, DBINT host_collen, BYTE *host_term, int host_termlen, int table_colnum, DBTYPEINFO *typeinfo) |
| Specify the format of a host file for bulk copy purposes, with precision and scale support for numeric and decimal columns. | |
| RETCODE | bcp_collen (DBPROCESS *dbproc, DBINT varlen, int table_column) |
| Set the length of a host variable to be written to a table. | |
| RETCODE | bcp_colptr (DBPROCESS *dbproc, BYTE *colptr, int table_column) |
| Override bcp_bind() by pointing to a different host variable. | |
| RETCODE | bcp_columns (DBPROCESS *dbproc, int host_colcount) |
| Indicate how many columns are to be found in the datafile. | |
| RETCODE | bcp_control (DBPROCESS *dbproc, int field, DBINT value) |
| Set BCP options for uploading a datafile. | |
| DBINT | bcp_done (DBPROCESS *dbproc) |
| Conclude the transfer of data from program variables. | |
| RETCODE | bcp_exec (DBPROCESS *dbproc, DBINT *rows_copied) |
| Write a datafile to a table. | |
| int | bcp_getbatchsize (DBPROCESS *dbproc) |
| DBBOOL | bcp_getl (LOGINREC *login) |
| See if BCP_SETL() was used to set the LOGINREC for BCP work. | |
| RETCODE | bcp_init (DBPROCESS *dbproc, const char *tblname, const char *hfile, const char *errfile, int direction) |
| Prepare for bulk copy operation on a table. | |
| RETCODE | bcp_options (DBPROCESS *dbproc, int option, BYTE *value, int valuelen) |
| Set "hints" for uploading a file. | |
| RETCODE | bcp_readfmt (DBPROCESS *dbproc, const char filename[]) |
| Read a format definition file. | |
| RETCODE | bcp_sendrow (DBPROCESS *dbproc) |
| Write data in host variables to the table. | |
| static void | init_hostfile_columns (DBPROCESS *dbproc) |
| static int | rtrim (char *str, int len) |
| trim a string of trailing blanks | |
| TDS_RCSID (var,"$Id: bcp.c,v 1.197.2.8 2011/06/07 08:52:29 freddy77 Exp $") | |
Implementation of db-lib bulk copy functions.
1.6.3