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<div class='vhub' style='margin-top:10px;margin-right:20px;text-align:left;background-color:white;'><a href='https://rimstone-lang.com' style='border-bottom:0px'><img src='https://rimstone-lang.com/rimstone.png' style='width:180px;height:auto'/></a></div><div class='vhub' style='margin-top:10px;'>SQLite with RimStone</div><hr/><br/>
This example will create a service that inserts key and value into SQLite table. It's tested from command line.<br/>
<br/>
Create a directory and then switch to it:<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_383' class=notranslate>
<span class="Statement">mkdir</span> sqlite
<span class="Statement">cd</span> sqlite</pre>
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</div><br/>
Setup SQLite database in file "mydata.db":<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_385' class=notranslate>
<span class="Statement">echo</span><span class="Constant"> </span><span class="Statement">'</span><span class="Constant">drop table if exists key_value; </span>
<span class="Constant">create table if not exists key_value (key varchar(50) primary key, value varchar(100));</span><span class="Statement">'</span><span class="Constant"> </span>| sqlite3 mydata.db</pre>
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</div><br/>
Create configuration file "mydb" that describes the SQLite database "mydata.db":<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_386' class=notranslate>
<span class="Statement">echo</span><span class="Constant"> </span><span class="Statement">"</span><span class="PreProc">$(</span><span class="Statement">pwd</span><span class="PreProc">)</span><span class="Constant">/mydata.db</span><span class="Statement">"</span><span class="Statement">></span> mydb</pre>
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</div><br/>
Create the application:<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_387' class=notranslate>
rim <span class="Special">-k</span> sqlite</pre>
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</div><br/>
Save the code to "insert.rim" (note use of database configuration "mydb" in @mydb):<br/>
<div class='code' style='position:relative;padding-right:16px;'>
<pre id='code_382' class=notranslate>
cat << '<span class="Constant">EOF</span>' > insert.rim
<span class="Statement">%%</span> /insert<span class="Identifier"> public</span>
<span class="Statement"> get-param</span> key
<span class="Statement"> get-param</span> value
<span class="Statement"> run-query</span> @mydb = <span class="Constant">"insert into key_value(key,value) values ('</span><span class="Special">%s</span><span class="Constant">', '</span><span class="Special">%s</span><span class="Constant">')"</span><span class="Identifier"> input</span> key, value<span class="Type"> error</span> err<span class="Type"> affected-rows</span> aff_rows<span class="Identifier"> no-loop</span>
<span class="Statement"> @</span>Error <span class="Statement"><<print-out</span> err<span class="Statement">>></span>, affected rows <span class="Statement"><<print-out</span> aff_rows<span class="Statement">>></span>
<span class="Statement">%%</span>
<span class="Constant">EOF</span></pre>
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</div><br/>
Compile the application - we specify that file "mydb" is describing SQLite database:<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_388' class=notranslate>
rim <span class="Special">-q</span> <span class="Special">--db</span><span class="Statement">=</span>sqlite:mydb</pre>
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</div><br/>
Run the application by executing this service from command line. Note passing the input parameters "key" and "value" to it:<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_389' class=notranslate>
rim <span class="Special">-r</span> <span class="Special">--req</span><span class="Statement">=</span><span class="Statement">"</span><span class="Constant">/insert/key=1/value=one</span><span class="Statement">"</span> <span class="Special">--exec</span> <span class="Special">--silent-header</span></pre>
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</div><br/>
The output is:<br/>
<div class='ncode' style='position:relative;padding-right:16px;'>
<pre id='code_381' class=notranslate>
Error 0, affected rows 1</pre>
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</div><br/>
Verify data inserted:<br/>
<div class="shcode" style='position:relative;padding-right:16px;'>
<pre id='code_390' class=notranslate>
<span class="Statement">echo</span><span class="Constant"> -e </span><span class="Statement">"</span><span class="Constant">.headers off</span><span class="Special">\n</span><span class="Constant">.mode line</span><span class="Special">\n</span><span class="Constant">select key </span><span class="Statement">"</span><span class="Constant">Key</span><span class="Statement">"</span><span class="Constant">, value </span><span class="Statement">"</span><span class="Constant">Value</span><span class="Statement">"</span><span class="Constant"> from key_value</span><span class="Statement">"</span>|sqlite3 mydata.db</pre>
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</div><br/>
The result:<br/>
<div class='ncode' style='position:relative;padding-right:16px;'>
<pre id='code_384' class=notranslate>
Key = 1
Value = one</pre>
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