// File: /workspace/github_c_makefile_star2_O2/shifengbin[P]bishe/Output/../Persistence/sqlite3.c
// Function: sqlite3ViewGetColumnNames
SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){
  Table *pSelTab;   /* A fake table from which we get the result set */
  Select *pSel;     /* Copy of the SELECT that implements the view */
  int nErr = 0;     /* Number of errors encountered */
  int n;            /* Temporarily holds the number of cursors assigned */
  sqlite3 *db = pParse->db;  /* Database connection for malloc errors */
  sqlite3_xauth xAuth;       /* Saved xAuth pointer */
  u8 bEnabledLA;             /* Saved db->lookaside.bEnabled state */

  assert( pTable );

#ifndef SQLITE_OMIT_VIRTUALTABLE
  if( sqlite3VtabCallConnect(pParse, pTable) ){
    return SQLITE_ERROR;
  }
  if( IsVirtual(pTable) ) return 0;
#endif

#ifndef SQLITE_OMIT_VIEW
  /* A positive nCol means the columns names for this view are
  ** already known.
  */
  if( pTable->nCol>0 ) return 0;

  /* A negative nCol is a special marker meaning that we are currently
  ** trying to compute the column names.  If we enter this routine with
  ** a negative nCol, it means two or more views form a loop, like this:
  **
  **     CREATE VIEW one AS SELECT * FROM two;
  **     CREATE VIEW two AS SELECT * FROM one;
  **
  ** Actually, the error above is now caught prior to reaching this point.
  ** But the following test is still important as it does come up
  ** in the following:
  ** 
  **     CREATE TABLE main.ex1(a);
  **     CREATE TEMP VIEW ex1 AS SELECT a FROM ex1;
  **     SELECT * FROM temp.ex1;
  */
  if( pTable->nCol<0 ){
    sqlite3ErrorMsg(pParse, "view %s is circularly defined", pTable->zName);
    return 1;
  }
  assert( pTable->nCol>=0 );

  /* If we get this far, it means we need to compute the table names.
  ** Note that the call to sqlite3ResultSetOfSelect() will expand any
  ** "*" elements in the results set of the view and will assign cursors
  ** to the elements of the FROM clause.  But we do not want these changes
  ** to be permanent.  So the computation is done on a copy of the SELECT
  ** statement that defines the view.
  */
  assert( pTable->pSelect );
  bEnabledLA = db->lookaside.bEnabled;
  if( pTable->pCheck ){
    db->lookaside.bEnabled = 0;
    sqlite3ColumnsFromExprList(pParse, pTable->pCheck, 
                               &pTable->nCol, &pTable->aCol);
  }else{
    pSel = sqlite3SelectDup(db, pTable->pSelect, 0);
    if( pSel ){
      n = pParse->nTab;
      sqlite3SrcListAssignCursors(pParse, pSel->pSrc);
      pTable->nCol = -1;
      db->lookaside.bEnabled = 0;
#ifndef SQLITE_OMIT_AUTHORIZATION
      xAuth = db->xAuth;
      db->xAuth = 0;
      pSelTab = sqlite3ResultSetOfSelect(pParse, pSel);
      db->xAuth = xAuth;
#else
      pSelTab = sqlite3ResultSetOfSelect(pParse, pSel);
#endif
      pParse->nTab = n;
      if( pSelTab ){
        assert( pTable->aCol==0 );
        pTable->nCol = pSelTab->nCol;
        pTable->aCol = pSelTab->aCol;
        pSelTab->nCol = 0;
        pSelTab->aCol = 0;
        sqlite3DeleteTable(db, pSelTab);
        assert( sqlite3SchemaMutexHeld(db, 0, pTable->pSchema) );
      }else{
        pTable->nCol = 0;
        nErr++;
      }
      sqlite3SelectDelete(db, pSel);
    } else {
      nErr++;
    }
  }
  db->lookaside.bEnabled = bEnabledLA;
  pTable->pSchema->schemaFlags |= DB_UnresetViews;
#endif /* SQLITE_OMIT_VIEW */
  return nErr;  
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x28, %rsp
movq %rsi, %r14
movq %rdi, %r15
movq (%rdi), %rbx
movb 0x46(%rsi), %r12b
testb $0x10, %r12b
je 0x51e2b
movq %rbx, %rdi
movq %r14, %rsi
callq 0x37f66
testq %rax, %rax
je 0x51e82
xorl %r13d, %r13d
testb $0x10, %r12b
jne 0x51ff1
leaq 0x3e(%r14), %r12
cmpw $0x0, 0x3e(%r14)
jg 0x51ff1
js 0x51ef4
movb 0x152(%rbx), %al
movb %al, -0x29(%rbp)
movq 0x30(%r14), %rsi
testq %rsi, %rsi
je 0x51f25
movb $0x0, 0x152(%rbx)
leaq 0x8(%r14), %rcx
movq %r15, %rdi
movq %r12, %rdx
callq 0x51b26
xorl %r13d, %r13d
jmp 0x51fdf
movq 0x50(%r14), %rax
movq (%rax), %rsi
leaq 0x1a8(%rbx), %rdi
callq 0x3616f
testq %rax, %rax
je 0x51ee4
leaq -0x48(%rbp), %r12
andq $0x0, (%r12)
movq (%rax), %rcx
movq 0x10(%rcx), %rcx
movq %rbx, %rdi
movq %r14, %rsi
movq %rax, %rdx
movq %r12, %r8
callq 0x37bf1
movq (%r12), %r12
testl %eax, %eax
je 0x51f11
leaq 0x1a4b9(%rip), %rsi     # 0x6c383
movq %r15, %rdi
movq %r12, %rdx
xorl %eax, %eax
callq 0x1357a
movq %rbx, %rdi
movq %r12, %rsi
callq 0xb856
jmp 0x51f08
movq 0x50(%r14), %rax
movq (%rax), %rdx
leaq 0x1b6e1(%rip), %rsi     # 0x6d5d3
jmp 0x51efe
movq (%r14), %rdx
leaq 0x1c1f9(%rip), %rsi     # 0x6e0f7
movq %r15, %rdi
xorl %eax, %eax
callq 0x1357a
pushq $0x1
popq %r13
jmp 0x51ff1
movq %rbx, %rdi
movq %r12, %rsi
callq 0xb856
movb 0x46(%r14), %r12b
jmp 0x51e2b
movq 0x18(%r14), %rsi
movq %rbx, %rdi
xorl %edx, %edx
callq 0x4d783
testq %rax, %rax
je 0x51fc3
movl 0x50(%r15), %ecx
movl %ecx, -0x30(%rbp)
movq %rax, %r13
movq 0x28(%rax), %rsi
movq %r15, %rdi
callq 0x51ac5
orw $-0x1, (%r12)
movb $0x0, 0x152(%rbx)
movq 0x180(%rbx), %rax
movq %rax, -0x38(%rbp)
andq $0x0, 0x180(%rbx)
movq %r15, %rdi
movq %r13, -0x40(%rbp)
movq %r13, %rsi
callq 0x4ead7
movq -0x38(%rbp), %rcx
movq %rcx, 0x180(%rbx)
movl -0x30(%rbp), %ecx
movl %ecx, 0x50(%r15)
testq %rax, %rax
je 0x51fc9
movzwl 0x3e(%rax), %ecx
movw %cx, 0x3e(%r14)
movq 0x8(%rax), %rcx
movq %rcx, 0x8(%r14)
andw $0x0, 0x3e(%rax)
andq $0x0, 0x8(%rax)
movq %rbx, %rdi
movq %rax, %rsi
callq 0xb647
xorl %r13d, %r13d
jmp 0x51fd3
pushq $0x1
popq %r13
jmp 0x51fdf
andw $0x0, (%r12)
pushq $0x1
popq %r13
movq %rbx, %rdi
movq -0x40(%rbp), %rsi
callq 0x368d0
movb -0x29(%rbp), %al
movb %al, 0x152(%rbx)
movq 0x68(%r14), %rax
orw $0x2, 0x72(%rax)
movl %r13d, %eax
addq $0x28, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq