// File: /workspace/github_c_makefile_star2_O3/barabo[P]advanced-shell-history/src/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 */
  int (*xAuth)(void*,int,const char*,const char*,const char*,const char*);

  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 );
  pSel = sqlite3SelectDup(db, pTable->pSelect, 0);
  if( pSel ){
    u8 enableLookaside = db->lookaside.bEnabled;
    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
    db->lookaside.bEnabled = enableLookaside;
    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) );
      pTable->pSchema->flags |= DB_UnresetViews;
    }else{
      pTable->nCol = 0;
      nErr++;
    }
    sqlite3SelectDelete(db, pSel);
  } else {
    nErr++;
  }
#endif /* SQLITE_OMIT_VIEW */
  return nErr;  
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x18, %rsp
movq %rsi, %r14
movq %rdi, %r15
movq (%rdi), %rbx
movb 0x46(%rsi), %al
testb $0x10, %al
jne 0x4a5d1
xorl %r13d, %r13d
testb $0x10, %al
jne 0x4a6b0
cmpw $0x0, 0x42(%r14)
jg 0x4a6b0
js 0x4a696
movq 0x18(%r14), %rsi
movq %rbx, %rdi
xorl %edx, %edx
callq 0x48744
testq %rax, %rax
je 0x4a6aa
movq %rax, %r12
movb 0x152(%rbx), %al
movb %al, -0x29(%rbp)
movl 0x54(%r15), %eax
movl %eax, -0x30(%rbp)
movq 0x28(%r12), %rsi
movq %r15, %rdi
callq 0x4a074
movw $0xffff, 0x42(%r14)     # imm = 0xFFFF
movb $0x0, 0x152(%rbx)
movq 0x180(%rbx), %r13
movq $0x0, 0x180(%rbx)
movq %r15, %rdi
movq %r12, %rsi
callq 0x465b5
movq %r13, 0x180(%rbx)
movb -0x29(%rbp), %cl
movb %cl, 0x152(%rbx)
movl -0x30(%rbp), %ecx
movl %ecx, 0x54(%r15)
testq %rax, %rax
je 0x4a6c2
movzwl 0x42(%rax), %ecx
movw %cx, 0x42(%r14)
movq 0x8(%rax), %rcx
movq %rcx, 0x8(%r14)
movw $0x0, 0x42(%rax)
movq $0x0, 0x8(%rax)
movq %rbx, %rdi
movq %rax, %rsi
callq 0x9975
movq 0x68(%r14), %rax
orw $0x2, 0x72(%rax)
xorl %r13d, %r13d
jmp 0x4a6cf
movq 0x58(%r14), %rcx
testq %rcx, %rcx
je 0x4a5e9
cmpq %rbx, (%rcx)
je 0x4a4f7
movq 0x28(%rcx), %rcx
jmp 0x4a5d5
movq 0x50(%r14), %rax
movq (%rax), %r12
leaq 0x1a8(%rbx), %rdi
testq %r12, %r12
je 0x4a617
movl $0xffffffff, %edx       # imm = 0xFFFFFFFF
movq %r12, %rax
incl %edx
cmpb $0x0, (%rax)
leaq 0x1(%rax), %rax
jne 0x4a604
andl $0x3fffffff, %edx       # imm = 0x3FFFFFFF
jmp 0x4a619
xorl %edx, %edx
movq %r12, %rsi
callq 0x3406c
testq %rax, %rax
je 0x4a673
leaq -0x38(%rbp), %r12
movq $0x0, (%r12)
movq (%rax), %rcx
movq 0x10(%rcx), %rcx
movq %rbx, %rdi
movq %r14, %rsi
movq %rax, %rdx
movq %r12, %r8
callq 0x35b82
movq (%r12), %r12
testl %eax, %eax
je 0x4a682
leaq 0x2f080(%rip), %rsi     # 0x796d9
movq %r15, %rdi
movq %r12, %rdx
xorl %eax, %eax
callq 0x11842
movq %rbx, %rdi
movq %r12, %rsi
callq 0x9ca4
jmp 0x4a6aa
leaq 0x3028b(%rip), %rsi     # 0x7a905
movq %r15, %rdi
movq %r12, %rdx
jmp 0x4a6a3
movq %rbx, %rdi
movq %r12, %rsi
callq 0x9ca4
movb 0x46(%r14), %al
jmp 0x4a4f7
movq (%r14), %rdx
leaq 0x30af7(%rip), %rsi     # 0x7b197
movq %r15, %rdi
xorl %eax, %eax
callq 0x11842
movl $0x1, %r13d
movl %r13d, %eax
addq $0x18, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
movw $0x0, 0x42(%r14)
movl $0x1, %r13d
movq %rbx, %rdi
movq %r12, %rsi
callq 0x348c2
movq %rbx, %rdi
movq %r12, %rsi
callq 0x9ca4
jmp 0x4a6b0