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SQL

Capitalize function for MySQL

CREATE FUNCTION CAP_FIRST (input VARCHAR(255))

RETURNS VARCHAR(255)

DETERMINISTIC

BEGIN
	DECLARE len INT;
	DECLARE i INT;

	SET len   = CHAR_LENGTH(input);
	SET input = lower(input);
	SET i = 0;

	WHILE (i < len) DO
		IF (MID(input,i,1) = ' ' OR i = 0) THEN
			IF (i < len) THEN
				SET input = CONCAT(
					LEFT(input,i),
					UPPER(MID(input,i + 1,1)),
					RIGHT(input,len - i - 1)
				);
			END IF;
		END IF;
		SET i = i + 1;
	END WHILE;

	RETURN input;
END;
https://snipt.net/embed/4df930e860ec25c9f5f884ae86434ebc/
/raw/4df930e860ec25c9f5f884ae86434ebc/
4df930e860ec25c9f5f884ae86434ebc
sql
SQL
29
2019-06-27T06:00:06
True
False
False
/api/public/snipt/29899/
capitalize-function-for-mysql
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a> <a href="#L-23">23</a> <a href="#L-24">24</a> <a href="#L-25">25</a> <a href="#L-26">26</a> <a href="#L-27">27</a> <a href="#L-28">28</a> <a href="#L-29">29</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="k">CREATE</span> <span class="k">FUNCTION</span> <span class="n">CAP_FIRST</span> <span class="p">(</span><span class="k">input</span> <span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">255</span><span class="p">))</span> </span><span id="L-2"><a name="L-2"></a> </span><span id="L-3"><a name="L-3"></a><span class="k">RETURNS</span> <span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">255</span><span class="p">)</span> </span><span id="L-4"><a name="L-4"></a> </span><span id="L-5"><a name="L-5"></a><span class="k">DETERMINISTIC</span> </span><span id="L-6"><a name="L-6"></a> </span><span id="L-7"><a name="L-7"></a><span class="k">BEGIN</span> </span><span id="L-8"><a name="L-8"></a> <span class="k">DECLARE</span> <span class="n">len</span> <span class="nb">INT</span><span class="p">;</span> </span><span id="L-9"><a name="L-9"></a> <span class="k">DECLARE</span> <span class="n">i</span> <span class="nb">INT</span><span class="p">;</span> </span><span id="L-10"><a name="L-10"></a> </span><span id="L-11"><a name="L-11"></a> <span class="k">SET</span> <span class="n">len</span> <span class="o">=</span> <span class="k">CHAR_LENGTH</span><span class="p">(</span><span class="k">input</span><span class="p">);</span> </span><span id="L-12"><a name="L-12"></a> <span class="k">SET</span> <span class="k">input</span> <span class="o">=</span> <span class="k">lower</span><span class="p">(</span><span class="k">input</span><span class="p">);</span> </span><span id="L-13"><a name="L-13"></a> <span class="k">SET</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> </span><span id="L-14"><a name="L-14"></a> </span><span id="L-15"><a name="L-15"></a> <span class="n">WHILE</span> <span class="p">(</span><span class="n">i</span> <span class="o">&lt;</span> <span class="n">len</span><span class="p">)</span> <span class="k">DO</span> </span><span id="L-16"><a name="L-16"></a> <span class="k">IF</span> <span class="p">(</span><span class="n">MID</span><span class="p">(</span><span class="k">input</span><span class="p">,</span><span class="n">i</span><span class="p">,</span><span class="mi">1</span><span class="p">)</span> <span class="o">=</span> <span class="s1">&#39; &#39;</span> <span class="k">OR</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="k">THEN</span> </span><span id="L-17"><a name="L-17"></a> <span class="k">IF</span> <span class="p">(</span><span class="n">i</span> <span class="o">&lt;</span> <span class="n">len</span><span class="p">)</span> <span class="k">THEN</span> </span><span id="L-18"><a name="L-18"></a> <span class="k">SET</span> <span class="k">input</span> <span class="o">=</span> <span class="n">CONCAT</span><span class="p">(</span> </span><span id="L-19"><a name="L-19"></a> <span class="k">LEFT</span><span class="p">(</span><span class="k">input</span><span class="p">,</span><span class="n">i</span><span class="p">),</span> </span><span id="L-20"><a name="L-20"></a> <span class="k">UPPER</span><span class="p">(</span><span class="n">MID</span><span class="p">(</span><span class="k">input</span><span class="p">,</span><span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span><span class="mi">1</span><span class="p">)),</span> </span><span id="L-21"><a name="L-21"></a> <span class="k">RIGHT</span><span class="p">(</span><span class="k">input</span><span class="p">,</span><span class="n">len</span> <span class="o">-</span> <span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> </span><span id="L-22"><a name="L-22"></a> <span class="p">);</span> </span><span id="L-23"><a name="L-23"></a> <span class="k">END</span> <span class="k">IF</span><span class="p">;</span> </span><span id="L-24"><a name="L-24"></a> <span class="k">END</span> <span class="k">IF</span><span class="p">;</span> </span><span id="L-25"><a name="L-25"></a> <span class="k">SET</span> <span class="n">i</span> <span class="o">=</span> <span class="n">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span> </span><span id="L-26"><a name="L-26"></a> <span class="k">END</span> <span class="n">WHILE</span><span class="p">;</span> </span><span id="L-27"><a name="L-27"></a> </span><span id="L-28"><a name="L-28"></a> <span class="k">RETURN</span> <span class="k">input</span><span class="p">;</span> </span><span id="L-29"><a name="L-29"></a><span class="k">END</span><span class="p">;</span> </span></pre></div> </td></tr></table>
mysql, sql