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  • Committer: Bazaar Package Importer
  • Author(s): Gustavo R. Montesino
  • Date: 2007-11-29 08:44:48 UTC
  • mfrom: (2.1.4 hardy)
  • Revision ID: james.westby@ubuntu.com-20071129084448-6aon73d22bv6hzfw
Tags: 0.67-3
* Re-enable installation of the mime files in mergeant.install
* mergeant.dirs: create usr/share/mime/packages to make dh_installmime add
  the update-mime-database code snippets

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doc/libmergeant/C/html/MgQfValue.html
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>MgQfValue</title><meta name="generator" content="DocBook XSL Stylesheets V1.65.1"><link rel="home" href="index.html" title="Libmergeant Reference Manual"><link rel="up" href="ch04s02.html" title="Query fields"><link rel="previous" href="MgQfFunc.html" title="MgQfFunc"><link rel="next" href="MgJoin.html" title="MgJoin"><meta name="generator" content="GTK-Doc V1.2 (XML mode)"><style type="text/css">
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        .synopsis, .classsynopsis {
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            background: #eeeeee;
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            border: solid 1px #aaaaaa;
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            padding: 0.5em;
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        }
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        .programlisting {
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            background: #eeeeff;
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            border: solid 1px #aaaaff;
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            padding: 0.5em;
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        }
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        .variablelist {
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            padding: 4px;
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            margin-left: 3em;
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        }
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        .navigation {
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            background: #ffeeee;
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            border: solid 1px #ffaaaa;
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            margin-top: 0.5em;
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            margin-bottom: 0.5em;
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        }
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        .navigation a {
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            color: #770000;
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        }
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        .navigation a:visited {
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            color: #550000;
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        }
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        .navigation .title {
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            font-size: 200%;
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        }
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      </style></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="MgQfFunc.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="ch04s02.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">Libmergeant Reference Manual</th><td><a accesskey="n" href="MgJoin.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="MgQfValue"></a><div class="titlepage"><div></div><div></div></div><div class="refnamediv"><h2><span class="refentrytitle">MgQfValue</span></h2><p>MgQfValue &#8212; Represents a single value (or a parameter)</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
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35
 
struct      <a href="MgQfValue.html#MgQfValue-struct">MgQfValue</a>;
36
 
guint       <a href="MgQfValue.html#mg-qf-value-get-type">mg_qf_value_get_type</a>            (void);
37
 
GObject*    <a href="MgQfValue.html#mg-qf-value-new">mg_qf_value_new</a>                 (<a href="MgQuery.html" title="MgQuery">MgQuery</a> *query,
38
 
                                             <a href="MgServerDataType.html" title="MgServerDataType">MgServerDataType</a> *type);
39
 
void        <a href="MgQfValue.html#mg-qf-value-set-value">mg_qf_value_set_value</a>           (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
40
 
                                             const <a
41
 
href="../libgda/libgda-gda-value.html#GdaValue"
42
 
>GdaValue</a> *val);
43
 
const <a
44
 
href="../libgda/libgda-gda-value.html#GdaValue"
45
 
>GdaValue</a>* <a href="MgQfValue.html#mg-qf-value-get-value">mg_qf_value_get_value</a>       (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);
46
 
void        <a href="MgQfValue.html#mg-qf-value-set-default-value">mg_qf_value_set_default_value</a>   (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
47
 
                                             const <a
48
 
href="../libgda/libgda-gda-value.html#GdaValue"
49
 
>GdaValue</a> *default_val);
50
 
const <a
51
 
href="../libgda/libgda-gda-value.html#GdaValue"
52
 
>GdaValue</a>* <a href="MgQfValue.html#mg-qf-value-get-default-value">mg_qf_value_get_default_value</a>
53
 
                                            (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);
54
 
<a
55
 
href="../libgda/libgda-gda-value.html#GdaValueType"
56
 
>GdaValueType</a> <a href="MgQfValue.html#mg-qf-value-get-value-type">mg_qf_value_get_value_type</a>     (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);
57
 
<a href="MgServerDataType.html" title="MgServerDataType">MgServerDataType</a>* <a href="MgQfValue.html#mg-qf-value-get-server-data-type">mg_qf_value_get_server_data_type</a>
58
 
                                            (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);
59
 
void        <a href="MgQfValue.html#mg-qf-value-set-is-parameter">mg_qf_value_set_is_parameter</a>    (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
60
 
                                             gboolean is_param);
61
 
gboolean    <a href="MgQfValue.html#mg-qf-value-is-parameter">mg_qf_value_is_parameter</a>        (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);
62
 
void        <a href="MgQfValue.html#mg-qf-value-set-not-null">mg_qf_value_set_not_null</a>        (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
63
 
                                             gboolean not_null);
64
 
gboolean    <a href="MgQfValue.html#mg-qf-value-get-not-null">mg_qf_value_get_not_null</a>        (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);
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gboolean    <a href="MgQfValue.html#mg-qf-value-is-value-null">mg_qf_value_is_value_null</a>       (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
66
 
                                             <a href="MgContext.html" title="MgContext">MgContext</a> *context);
67
 
</pre></div><div class="refsect1" lang="en"><a name="id2907888"></a><h2>Object Hierarchy</h2><pre class="synopsis">
68
 
 
69
 
  GObject
70
 
   +----<a href="MgBase.html" title="MgBase">MgBase</a>
71
 
         +----<a href="MgQfield.html" title="MgQfield">MgQfield</a>
72
 
               +----MgQfValue
73
 
</pre></div><div class="refsect1" lang="en"><a name="id2907922"></a><h2>Implemented Interfaces</h2><p>
74
 
MgQfValue implements
75
 
 <a href="MgXmlStorage.html" title="MgXmlStorage">MgXmlStorage</a>,  <a href="MgRenderer.html" title="MgRenderer">MgRenderer</a>,  <a href="MgReferer.html" title="MgReferer">MgReferer</a> and  <a href="MgField.html" title="MgField">MgField</a>.</p></div><div class="refsect1" lang="en"><a name="id2907960"></a><h2>Properties</h2><pre class="synopsis">
76
 
 
77
 
  "<a href="MgQfValue.html#MgQfValue--handler-plugin">handler-plugin</a>"       gchararray           : Read / Write
78
 
  "<a href="MgQfValue.html#MgQfValue--query">query</a>"                gpointer             : Read / Write
79
 
  "<a href="MgQfValue.html#MgQfValue--value-provider">value-provider</a>"       gpointer             : Read / Write
80
 
  "<a href="MgQfValue.html#MgQfValue--value-provider-xml-id">value-provider-xml-id</a>" gchararray           : Read / Write
81
 
</pre></div><div class="refsect1" lang="en"><a name="id2908041"></a><h2>Signal Prototypes</h2><pre class="synopsis">
82
 
 
83
 
"<a href="MgQfValue.html#MgQfValue-templ-signal">templ-signal</a>"
84
 
            void        user_function      (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *mgqfvalue,
85
 
                                            gpointer user_data);
86
 
</pre></div><div class="refsect1" lang="en"><a name="id2908086"></a><h2>Description</h2><p>
87
 
The value held in this object can be of any type (a <a href="MgServerDataType.html" title="MgServerDataType"><span class="type">MgServerDataType</span></a> object must be provided when
88
 
creating the object). If the value can be considered as a parameter, then the possible values for this
89
 
parameter can be limited by the result of the execution of a sub query (use the "value_provider*" properties
90
 
to tell from which query field the values will be taken).
91
 
</p></div><div class="refsect1" lang="en"><a name="id2908110"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2908115"></a><h3><a name="MgQfValue-struct"></a>struct MgQfValue</h3><a class="indexterm" name="id2908126"></a><pre class="programlisting">struct MgQfValue;</pre><p>
92
 
 
93
 
</p></div><hr><div class="refsect2" lang="en"><a name="id2908141"></a><h3><a name="mg-qf-value-get-type"></a>mg_qf_value_get_type ()</h3><a class="indexterm" name="id2908152"></a><pre class="programlisting">guint       mg_qf_value_get_type            (void);</pre><p>
94
 
 
95
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
96
 
 
97
 
 
98
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908188"></a><h3><a name="mg-qf-value-new"></a>mg_qf_value_new ()</h3><a class="indexterm" name="id2908198"></a><pre class="programlisting">GObject*    mg_qf_value_new                 (<a href="MgQuery.html" title="MgQuery">MgQuery</a> *query,
99
 
                                             <a href="MgServerDataType.html" title="MgServerDataType">MgServerDataType</a> *type);</pre><p>
100
 
Creates a new MgQfValue object which represents a value or a parameter.</p><p>
101
 
 
102
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>query</tt></i>�:</span></td><td> a <a href="MgQuery.html" title="MgQuery"><span class="type">MgQuery</span></a> in which the new object will be
103
 
</td></tr><tr><td><span class="term"><i class="parameter"><tt>type</tt></i>�:</span></td><td> the requested type for the value
104
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> the new object
105
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908289"></a><h3><a name="mg-qf-value-set-value"></a>mg_qf_value_set_value ()</h3><a class="indexterm" name="id2908300"></a><pre class="programlisting">void        mg_qf_value_set_value           (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
106
 
                                             const <a
107
 
href="../libgda/libgda-gda-value.html#GdaValue"
108
 
>GdaValue</a> *val);</pre><p>
109
 
Sets the value of <i class="parameter"><tt>field</tt></i>, or removes it (if <i class="parameter"><tt>val</tt></i> is <tt class="literal">NULL</tt>)</p><p>
110
 
 
111
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
112
 
</td></tr><tr><td><span class="term"><i class="parameter"><tt>val</tt></i>�:</span></td><td> the value to be set, or <tt class="literal">NULL</tt>
113
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908404"></a><h3><a name="mg-qf-value-get-value"></a>mg_qf_value_get_value ()</h3><a class="indexterm" name="id2908415"></a><pre class="programlisting">const <a
114
 
href="../libgda/libgda-gda-value.html#GdaValue"
115
 
>GdaValue</a>* mg_qf_value_get_value       (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);</pre><p>
116
 
Get the value stored by <i class="parameter"><tt>field</tt></i>. If there is no value, but a default value exists, then the
117
 
default value is returned.n it's up to the caller to test if there is a default value for <i class="parameter"><tt>field</tt></i>.
118
 
The default value can be of a different type than the one expected by <i class="parameter"><tt>field</tt></i>.</p><p>
119
 
 
120
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
121
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> the value or NULL
122
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908506"></a><h3><a name="mg-qf-value-set-default-value"></a>mg_qf_value_set_default_value ()</h3><a class="indexterm" name="id2908517"></a><pre class="programlisting">void        mg_qf_value_set_default_value   (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
123
 
                                             const <a
124
 
href="../libgda/libgda-gda-value.html#GdaValue"
125
 
>GdaValue</a> *default_val);</pre><p>
126
 
Sets the default value of <i class="parameter"><tt>field</tt></i>, or removes it (if <i class="parameter"><tt>default_val</tt></i> is <tt class="literal">NULL</tt>)</p><p>
127
 
 
128
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
129
 
</td></tr><tr><td><span class="term"><i class="parameter"><tt>default_val</tt></i>�:</span></td><td> the default value to be set, or <tt class="literal">NULL</tt>
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908621"></a><h3><a name="mg-qf-value-get-default-value"></a>mg_qf_value_get_default_value ()</h3><a class="indexterm" name="id2908633"></a><pre class="programlisting">const <a
131
 
href="../libgda/libgda-gda-value.html#GdaValue"
132
 
>GdaValue</a>* mg_qf_value_get_default_value
133
 
                                            (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);</pre><p>
134
 
Get the default value stored by <i class="parameter"><tt>field</tt></i>.</p><p>
135
 
 
136
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
137
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> the value or NULL
138
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908709"></a><h3><a name="mg-qf-value-get-value-type"></a>mg_qf_value_get_value_type ()</h3><a class="indexterm" name="id2908721"></a><pre class="programlisting"><a
139
 
href="../libgda/libgda-gda-value.html#GdaValueType"
140
 
>GdaValueType</a> mg_qf_value_get_value_type     (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);</pre><p>
141
 
Get the GDA type of value stored within <i class="parameter"><tt>field</tt></i></p><p>
142
 
 
143
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
144
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> the type
145
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908794"></a><h3><a name="mg-qf-value-get-server-data-type"></a>mg_qf_value_get_server_data_type ()</h3><a class="indexterm" name="id2908805"></a><pre class="programlisting"><a href="MgServerDataType.html" title="MgServerDataType">MgServerDataType</a>* mg_qf_value_get_server_data_type
146
 
                                            (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);</pre><p>
147
 
Get the <span class="type">MgserverDataType</span> type of <i class="parameter"><tt>field</tt></i></p><p>
148
 
 
149
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
150
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> the <span class="type">MgserverDataType</span> type
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</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908897"></a><h3><a name="mg-qf-value-set-is-parameter"></a>mg_qf_value_set_is_parameter ()</h3><a class="indexterm" name="id2908909"></a><pre class="programlisting">void        mg_qf_value_set_is_parameter    (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
152
 
                                             gboolean is_param);</pre><p>
153
 
Sets wether <i class="parameter"><tt>field</tt></i> can be considered as a parameter</p><p>
154
 
 
155
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
156
 
</td></tr><tr><td><span class="term"><i class="parameter"><tt>is_param</tt></i>�:</span></td><td>
157
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2908995"></a><h3><a name="mg-qf-value-is-parameter"></a>mg_qf_value_is_parameter ()</h3><a class="indexterm" name="id2909006"></a><pre class="programlisting">gboolean    mg_qf_value_is_parameter        (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);</pre><p>
158
 
Tells if <i class="parameter"><tt>field</tt></i> can be considered as a parameter</p><p>
159
 
 
160
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
161
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> TRUE if <i class="parameter"><tt>field</tt></i> can be considered as a parameter
162
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2909087"></a><h3><a name="mg-qf-value-set-not-null"></a>mg_qf_value_set_not_null ()</h3><a class="indexterm" name="id2909098"></a><pre class="programlisting">void        mg_qf_value_set_not_null        (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
163
 
                                             gboolean not_null);</pre><p>
164
 
Sets if a NULL value is acceptable for <i class="parameter"><tt>field</tt></i>. If <i class="parameter"><tt>not_null</tt></i> is TRUE, then <i class="parameter"><tt>field</tt></i>
165
 
can't have a NULL value.</p><p>
166
 
 
167
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
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</td></tr><tr><td><span class="term"><i class="parameter"><tt>not_null</tt></i>�:</span></td><td>
169
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2909196"></a><h3><a name="mg-qf-value-get-not-null"></a>mg_qf_value_get_not_null ()</h3><a class="indexterm" name="id2909207"></a><pre class="programlisting">gboolean    mg_qf_value_get_not_null        (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field);</pre><p>
170
 
Tells if <i class="parameter"><tt>field</tt></i> can receive a NULL value.</p><p>
171
 
 
172
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
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</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> TRUE if <i class="parameter"><tt>field</tt></i> can't have a NULL value
174
 
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2909288"></a><h3><a name="mg-qf-value-is-value-null"></a>mg_qf_value_is_value_null ()</h3><a class="indexterm" name="id2909300"></a><pre class="programlisting">gboolean    mg_qf_value_is_value_null       (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *field,
175
 
                                             <a href="MgContext.html" title="MgContext">MgContext</a> *context);</pre><p>
176
 
Tells if <i class="parameter"><tt>field</tt></i> represents a NULL value.</p><p>
177
 
 
178
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>field</tt></i>�:</span></td><td> a <a href="MgQfValue.html" title="MgQfValue"><span class="type">MgQfValue</span></a> object
179
 
</td></tr><tr><td><span class="term"><i class="parameter"><tt>context</tt></i>�:</span></td><td> a <a href="MgContext.html" title="MgContext"><span class="type">MgContext</span></a> object
180
 
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
181
 
</td></tr></tbody></table></div></div></div><div class="refsect1" lang="en"><a name="id2909403"></a><h2>Properties</h2><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><a name="MgQfValue--handler-plugin"></a>"<tt class="literal">handler-plugin</tt>" (gchararray : Read / Write)</span></td><td><p></p></td></tr><tr><td><span class="term"><a name="MgQfValue--query"></a>"<tt class="literal">query</tt>" (gpointer : Read / Write)</span></td><td><p></p></td></tr><tr><td><span class="term"><a name="MgQfValue--value-provider"></a>"<tt class="literal">value-provider</tt>" (gpointer : Read / Write)</span></td><td><p></p></td></tr><tr><td><span class="term"><a name="MgQfValue--value-provider-xml-id"></a>"<tt class="literal">value-provider-xml-id</tt>" (gchararray : Read / Write)</span></td><td><p></p></td></tr></tbody></table></div></div><div class="refsect1" lang="en"><a name="id2909529"></a><h2>Signals</h2><div class="refsect2" lang="en"><a name="id2909534"></a><h3><a name="MgQfValue-templ-signal"></a>The "templ-signal" signal</h3><pre class="programlisting">void        user_function                  (<a href="MgQfValue.html" title="MgQfValue">MgQfValue</a> *mgqfvalue,
182
 
                                            gpointer user_data);</pre><p>
183
 
 
184
 
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>mgqfvalue</tt></i>�:</span></td><td>the object which received the signal.
185
 
 
186
 
</td></tr><tr><td><span class="term"><i class="parameter"><tt>user_data</tt></i>�:</span></td><td>user data set when the signal handler was connected.</td></tr></tbody></table></div></div></div></div><table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="MgQfFunc.html"><b>&lt;&lt;�MgQfFunc</b></a></td><td align="right"><a accesskey="n" href="MgJoin.html"><b>MgJoin�&gt;&gt;</b></a></td></tr></table></body></html>