Commit aece56e3 authored by unknown's avatar unknown
Browse files

Merge bk-internal:/home/bk/mysql-5.0

into serg.mylan:/usr/home/serg/Abk/mysql-5.0


sql/sql_select.cc:
  Auto merged
parents 8f8f6974 79180b19
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+54 −29
Original line number Diff line number Diff line
@@ -164,10 +164,17 @@ static char TMPDIR[FN_REFLEN];
static char delimiter[MAX_DELIMITER]= DEFAULT_DELIMITER;
static uint delimiter_length= 1;

static int *cur_block, *block_stack_end;
static int block_stack[BLOCK_STACK_DEPTH];
/* Block stack */
enum block_cmd { cmd_none, cmd_if, cmd_while };
typedef struct
{
  int             line; /* Start line of block */
  my_bool         ok;   /* Should block be executed */
  enum block_cmd  cmd;  /* Command owning the block */
} BLOCK;
static BLOCK block_stack[BLOCK_STACK_DEPTH];
static BLOCK *cur_block, *block_stack_end;

static int block_ok_stack[BLOCK_STACK_DEPTH];
static CHARSET_INFO *charset_info= &my_charset_latin1; /* Default charset */
static const char *charset_name= "latin1"; /* Default character set name */

@@ -221,8 +228,6 @@ MYSQL_RES *last_result=0;

PARSER parser;
MASTER_POS master_pos;
int *block_ok; /* set to 0 if the current block should not be executed */
int false_block_depth = 0;
/* if set, all results are concated and compared against this file */
const char *result_file = 0;

@@ -296,6 +301,7 @@ Q_START_TIMER, Q_END_TIMER,
Q_CHARACTER_SET, Q_DISABLE_PS_PROTOCOL, Q_ENABLE_PS_PROTOCOL,
Q_EXIT,
Q_DISABLE_RECONNECT, Q_ENABLE_RECONNECT,
Q_IF,

Q_UNKNOWN,			       /* Unknown command.   */
Q_COMMENT,			       /* Comments, ignored. */
@@ -386,6 +392,7 @@ const char *command_names[]=
  "exit",
  "disable_reconnect",
  "enable_reconnect",
  "if",
  0
};

@@ -1924,36 +1931,54 @@ int do_connect(struct st_query* q)

int do_done(struct st_query* q)
{
  /* Dummy statement to eliminate compiler warning */
  q->type = Q_END_BLOCK;

  /* Check if empty block stack */
  if (cur_block == block_stack)
    die("Stray '}' - end of block before beginning");
  if (*block_ok--)

  /* Test if inner block has been executed */
  if (cur_block->ok && cur_block->cmd == cmd_while)
  {
    parser.current_line = *--cur_block;
    /* Pop block from stack, re-execute outer block */
    cur_block--;
    parser.current_line = cur_block->line;
  }
  else
  {
    ++parser.current_line;
    --cur_block;
    /* Pop block from stack, goto next line */
    cur_block--;
    parser.current_line++;
  }
  return 0;
}

int do_while(struct st_query* q)

int do_block(enum block_cmd cmd, struct st_query* q)
{
  char* p=q->first_argument;
  const char* expr_start, *expr_end;
  VAR v;

  /* Check stack overflow */
  if (cur_block == block_stack_end)
    die("Nesting too deeply");
  if (!*block_ok)

  /* Set way to find outer block again, increase line counter */
  cur_block->line= parser.current_line++;

  /* If this block is ignored */
  if (!cur_block->ok)
  {
    ++false_block_depth;
    *++block_ok = 0;
    *cur_block++ = parser.current_line++;
    /* Inner block should be ignored too */
    cur_block++;
    cur_block->cmd= cmd;
    cur_block->ok= FALSE;
    return 0;
  }

  /* Parse and evaluate test expression */
  expr_start = strchr(p, '(');
  if (!expr_start)
    die("missing '(' in while");
@@ -1962,14 +1987,12 @@ int do_while(struct st_query* q)
    die("missing ')' in while");
  var_init(&v,0,0,0,0);
  eval_expr(&v, ++expr_start, &expr_end);
  *cur_block++ = parser.current_line++;
  if (!v.int_val)
  {
    *++block_ok = 0;
    false_block_depth++;
  }
  else
    *++block_ok = 1;

  /* Define inner block */
  cur_block++;
  cur_block->cmd= cmd;
  cur_block->ok= (v.int_val ? TRUE : FALSE);

  var_free(&v);
  return 0;
}
@@ -3653,12 +3676,13 @@ int main(int argc, char **argv)
  lineno   = lineno_stack;
  my_init_dynamic_array(&q_lines, sizeof(struct st_query*), INIT_Q_LINES,
		     INIT_Q_LINES);

  memset(block_stack, 0, sizeof(block_stack));
  block_stack_end= block_stack + BLOCK_STACK_DEPTH;
  memset(block_ok_stack, 0, sizeof(block_stack));
  cur_block= block_stack;
  block_ok = block_ok_stack;
  *block_ok = 1;
  cur_block->ok= TRUE; /* Outer block should always be executed */
  cur_block->cmd= cmd_none;

  init_dynamic_string(&ds_res, "", 0, 65536);
  parse_args(argc, argv);

@@ -3712,7 +3736,7 @@ int main(int argc, char **argv)
    int current_line_inc = 1, processed = 0;
    if (q->type == Q_UNKNOWN || q->type == Q_COMMENT_WITH_COMMAND)
      get_query_type(q);
    if (*block_ok)
    if (cur_block->ok)
    {
      processed = 1;
      switch (q->type) {
@@ -3915,7 +3939,8 @@ int main(int argc, char **argv)
    {
      current_line_inc = 0;
      switch (q->type) {
      case Q_WHILE: do_while(q); break;
      case Q_WHILE: do_block(cmd_while, q); break;
      case Q_IF: do_block(cmd_if, q); break;
      case Q_END_BLOCK: do_done(q); break;
      default: current_line_inc = 1; break;
      }
+4 −1
Original line number Diff line number Diff line
@@ -616,6 +616,9 @@ How to make the InnoDB parser and lexer C files:
7. Add '#include "univ.i"' before #include <stdio.h> in lexyy.c
   (Needed for AIX)

8. Add a type cast to int to the assignment below the comment
   'need more input.'  (Removes a warning on Win64)

These instructions seem to work at least with bison-1.28 and flex-2.5.4 on
Linux.
*******************************************************/
@@ -2114,7 +2117,7 @@ static int input()

		else
			{ /* need more input */
			int offset = yy_c_buf_p - yytext_ptr;
			int offset = (int) (yy_c_buf_p - yytext_ptr);
			++yy_c_buf_p;

			switch ( yy_get_next_buffer() )
+3 −0
Original line number Diff line number Diff line
@@ -31,6 +31,9 @@ How to make the InnoDB parser and lexer C files:
7. Add '#include "univ.i"' before #include <stdio.h> in lexyy.c
   (Needed for AIX)

8. Add a type cast to int to the assignment below the comment
   'need more input.'  (Removes a warning on Win64)

These instructions seem to work at least with bison-1.28 and flex-2.5.4 on
Linux.
*******************************************************/
+1 −1
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@
###############################################################
# Debug options : To debug this test script
###############################################################
let $showbinlog= 0;
let $show_binlog= 0;
let $manipulate= 1;

######## The typical test sequence
+0 −705

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