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Changes for page DB-Abfragen

From version 5.1
edited by jdr
on 19.07.2021, 14:04
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To version 2.1
edited by gru
on 29.06.2021, 14:19
Change comment: Renamed back-links.

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1 -XWiki.jdr
1 +XWiki.gru
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12 12  {{figure image="data_db_query_de.png"}}Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.{{/figure}}
13 13  
14 14  
15 +{{html wiki="true"}}
16 +<div class='xm-figure xm-float-right xm-clear-h2' data-alt='Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.'><div class='xm-figure-inner' style='width:310px'>{{lightbox image='data_db_query_de.png' width='300' group='$height' group='$group' title='Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.'/}}<div class='xm-figure-caption'>Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.</div></div></div>
17 +{{/html}}
18 +
19 +
20 +
21 +{{html wiki="true"}}
22 +<div class='xm-figure xm-float-right xm-clear-h2' data-alt='Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.'><div class='xm-figure-inner' style='width:310px'>{{lightbox image='data_db_query_de.png' width='300' group='$height' group='$group' title='Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.'/}}<div class='xm-figure-caption'>Configuration screen for creating a database query in: (1) list of existing DB queries, (2) editor for defining the SQL query, (3) settings of the DB query, (4) console for testing the DB query.</div></div></div>
23 +{{/html}}
24 +
25 +
15 15  * Open the module "Database queries" and click "New" {{ficon name="plus-circle-outline"/}} in the header of the list (see [[figure>>||anchor="fig_data_db_query"]]).
16 16  * The following data is needed for a Database query:
17 17  ** **Name**: A unique name for the database query
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22 22  
23 23  The entered SQL statement is executed as a prepared statement, which prevents SQL injection attacks. You should not and need not use inverted commas (` or '). Also, you can use question marks ( ? ) as placeholders to build queries dynamically.
24 24  
25 -[[Variables>>doc:Formcycle.UserInterface.Variables.WebHome]] can be used in the SQL statements.
36 +{{version major="6" minor="4" patch="0"/}} [[Variables>>doc:Formcycle.UserInterface.Variables.WebHome]] can be used in the SQL statements.
26 26  
27 27  == Using the database query ==
28 28  
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44 44  |queryParameter|When the query contains placeholders (question marks, {{code language="none"}}?{{/code}}), a list of parameters must be supplied for each placeholder. The number of items must match the number of parameters used in the SQL query. The items are separated with the delimiter as defined by the URL parameter //delimiter//.
45 45  
46 46  If possible the parameter //queryParameterValues// should be used for new projects instead of //queryParameter// because //queryParameter// will not be supported in a future version of {{formcycle/}}.|No
47 -|queryParameterValues|Starting with {{formcycle/}} Version 6.6.3 this parameter can be used as an alternative to the parameters //queryParameter// and //delimiter//. Like these parameters, //queryParameterValues// is only required if placeholders in the form of a question mark {{code language="none"}}?{{/code}} are used within the SQL query. If this is the case, the individual query parameters are passed one after the other as a separate parameter //queryParameterValues//, which also eliminates the use of the parameter //delimiter//.|No
58 +|queryParameterValues|{{version major="6" minor="6" patch="3"/}}Starting with {{formcycle/}} Version 6.6.3 this parameter can be used as an alternative to the parameters //queryParameter// and //delimiter//. Like these parameters, //queryParameterValues// is only required if placeholders in the form of a question mark {{code language="none"}}?{{/code}} are used within the SQL query. If this is the case, the individual query parameters are passed one after the other as a separate parameter //queryParameterValues//, which also eliminates the use of the parameter //delimiter//.|No
48 48  |varName|Allows you to change name of the JSON response object. If not given, a plain JSON object with the result data is returned.|No
49 49  |delimiter|The delimiter for the placeholder values, see //queryParameter//. Defaults to a comma {{code language="none"}},{{/code}}
50 50  
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79 79  
80 80  == Selection form elements ==
81 81  
82 -If you want to display the returned data as options of a [[selection element>>doc:Formcycle.Designer.Form.FormElements.Selection]], you can do so easily by opening the {{designer/}} and selecting the database query as the data source of the selection element.
93 +If you want to display the returned data as options of a [[selection element>>doc:Formcycle.FormDesigner.FormElements.Selection]], you can do so easily by opening the {{designer/}} and selecting the database query as the data source of the selection element.
83 83  
84 84  {{info}}
85 85  Queries that are used in selection elements must not have a question mark "?". Queries with a "?" are not offered as a data source for selection elements.
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89 89  Using the result of a database query as the data source a select element in the {{designer case="dat"/}}.
90 90  {{/figure}}
91 91  
92 -The result of the database query is used to create the options of the [[selection element>>doc:Formcycle.Designer.Form.FormElements.Selection]] in the following order:
103 +The result of the database query is used to create the options of the [[selection element>>doc:Formcycle.FormDesigner.FormElements.Selection]] in the following order:
93 93  
94 94  {{box}}
95 95  Displayed value, submitted value, optional value 1, optional value 2, ...
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108 108  == Examples ==
109 109  
110 110  {{info}}
111 -Starting with {{formcycle/}} Version 6.6.3, the parameter //queryParameterValues// can be used instead of the parameter //queryParameter//. The former is recommended for new projects because the parameter //queryParameter// will not be supported in a future version of {{formcycle/}}. The following examples therefore show one servlet query with //queryParameter// and one with //queryParameterValues// for each SQL query.
122 +{{version major="6" minor="6" patch="3"/}}Starting with {{formcycle/}} Version 6.6.3, the parameter //queryParameterValues// can be used instead of the parameter //queryParameter//. The former is recommended for new projects because the parameter //queryParameter// will not be supported in a future version of {{formcycle/}}. The following examples therefore show one servlet query with //queryParameter// and one with //queryParameterValues// for each SQL query.
112 112  {{/info}}
113 113  
114 114  
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121 121  URL for running the query:
122 122  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameter=Robinson{{/code}}
123 123  
124 -URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
135 +{{version major="6" minor="6" patch="3"/}}URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
125 125  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameterValues=Robinson{{/code}}
126 126  \\
127 127  
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134 134  URL for running the query:
135 135  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameter=100{{/code}}
136 136  
137 -URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
148 +{{version major="6" minor="6" patch="3"/}}URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
138 138  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameterValues=100{{/code}}
139 139  \\
140 140  
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147 147  URL for running the query:
148 148  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameter=Paris,75001{{/code}}
149 149  
150 -URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
161 +{{version major="6" minor="6" patch="3"/}}URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
151 151  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameterValues=Paris&queryParameterValues=75001{{/code}}
152 152  \\
153 153  
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160 160  URL for running the query:
161 161  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameter=Par{{/code}}
162 162  
163 -URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
174 +{{version major="6" minor="6" patch="3"/}}URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
164 164  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameterValues=Par{{/code}}
165 165  \\
166 166  
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173 173  URL for running the query:
174 174  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameter=aRi{{/code}}
175 175  
176 -URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
187 +{{version major="6" minor="6" patch="3"/}}URL that can be used starting with {{formcycle/}} version 6.6.3 for running the query:
177 177  {{code language="none"}}http://myserver/formcycle/datenquelledb?mandantName=myself&name=demo&queryParameterValues=aRi{{/code}}