Fix for Bug # 2483638
[csql.git] / src / storage / TableDef.cxx
blobbe730d61dc87ace280d3f5552a8379e39df399b7
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16 #include<Table.h>
17 #include<Index.h>
18 #include<CatalogTables.h>
19 #include<Lock.h>
21 TableDef::~TableDef()
23 reset();
25 void TableDef::reset()
27 fldList.removeAll();
28 fldCount = 0;
30 int TableDef::addField(const char *name, DataType type, size_t length,
31 const void *defaultValue, bool notNull)
33 if (name == NULL) return (int)ErrBadArg;
34 if(strlen(name)>64)
36 printError(ErrBadRange,"Field name shpuldnot exceed 64 character");
37 return (int)ErrBadRange;
39 // The following code checks for duplicates
40 FieldIterator iter = getFieldIterator();
41 while (iter.hasElement())
43 FieldDef def = iter.nextElement();
44 if (! strcmp(def.fldName_, name)) {
45 printError(ErrAlready, "Field %s already Exists", name);
46 return (int) ErrAlready;
49 FieldDef fldDef;
50 strcpy(fldDef.fldName_, name);
51 fldDef.fldName_[IDENTIFIER_LENGTH] = '\0';
52 fldDef.type_ = type;
53 fldDef.length_ = length;
54 fldDef.bindVal_=NULL;
55 if (defaultValue != NULL)
57 fldDef.isDefault_ = true;
58 if (typeBinary == type) {
59 const char *p = (const char *) defaultValue;
60 while (*p != '\0') {
61 if (! isxdigit((int)(*p++)) ) {
62 printError(ErrBadArg, "Invalid hexadecimal value");
63 return (int) ErrBadArg;
67 os::memcpy(fldDef.defaultValueBuf_, defaultValue, DEFAULT_VALUE_BUF_LENGTH);
69 else
71 fldDef.isDefault_ = false;
72 os::memset(fldDef.defaultValueBuf_,0, DEFAULT_VALUE_BUF_LENGTH);
74 fldDef.isNull_ = notNull;
75 switch(type)
77 case typeString :
78 case typeBinary:
79 fldDef.length_ = length;
80 break;
81 default:
82 fldDef.length_ = AllDataType::size(type);
83 break;
85 fldDef.offset_ = fldList.getTupleSize();
86 int ret = fldList.append(fldDef);
87 if (0 == ret) fldCount++;
88 return ret;
91 int TableDef::dropField(const char *name)
93 int ret = fldList.remove(name);
94 if (0 == ret) fldCount--;
95 return ret;
98 int TableDef::getFieldCount()
100 return fldCount;
103 size_t TableDef::getTupleSize()
105 size_t length = 0;
106 FieldIterator iter = getFieldIterator();
107 while (iter.hasElement())
109 FieldDef def = iter.nextElement();
110 length = length + os::align(def.length_);
112 return length;