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| <a href="compatibility_8sql__in.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ----------------------------------------------------------------------- */</span><span class="comment">/**</span> |
| <a name="l00002"></a>00002 <span class="comment"> *</span> |
| <a name="l00003"></a>00003 <span class="comment"> * @file compatibility.sql_in</span> |
| <a name="l00004"></a>00004 <span class="comment"> *</span> |
| <a name="l00005"></a>00005 <span class="comment"> * @brief Compatibility SQL functions</span> |
| <a name="l00006"></a>00006 <span class="comment"> *</span> |
| <a name="l00007"></a>00007 <span class="comment"> * @sa For a brief overview of compatibility functions, see the</span> |
| <a name="l00008"></a>00008 <span class="comment"> * module description \ref grp_compatibility.</span> |
| <a name="l00009"></a>00009 <span class="comment"> *</span> |
| <a name="l00010"></a>00010 <span class="comment"> */</span><span class="comment">/* ----------------------------------------------------------------------- */</span> |
| <a name="l00011"></a>00011 |
| <a name="l00012"></a>00012 m4_include(`SQLCommon.m4<span class="stringliteral">')</span> |
| <a name="l00013"></a>00013 <span class="stringliteral">m4_changequote(<!,!>)</span> |
| <a name="l00014"></a>00014 <span class="stringliteral"></span> |
| <a name="l00015"></a>00015 <span class="stringliteral"></span><span class="comment"></span> |
| <a name="l00016"></a>00016 <span class="comment">/**</span> |
| <a name="l00017"></a>00017 <span class="comment">@addtogroup grp_compatibility</span> |
| <a name="l00018"></a>00018 <span class="comment"></span> |
| <a name="l00019"></a>00019 <span class="comment">@about</span> |
| <a name="l00020"></a>00020 <span class="comment"></span> |
| <a name="l00021"></a>00021 <span class="comment">The compatibility module replicates standard SQL functionality that cannot be</span> |
| <a name="l00022"></a>00022 <span class="comment">used on all platforms supported by MADlib -- be it due to incomplete</span> |
| <a name="l00023"></a>00023 <span class="comment">implementation of the SQL standard or bugs.</span> |
| <a name="l00024"></a>00024 <span class="comment"></span> |
| <a name="l00025"></a>00025 <span class="comment">This module contains workarounds for the following issues:</span> |
| <a name="l00026"></a>00026 <span class="comment"></span> |
| <a name="l00027"></a>00027 <span class="comment">- <tt>CREATE TABLE <em>table_name</em> AS <em>query</em></tt> statements where</span> |
| <a name="l00028"></a>00028 <span class="comment"> <em>query</em> contains certain MADlib functions fails with the error</span> |
| <a name="l00029"></a>00029 <span class="comment"> “function cannot execute on segment because it issues a non-SELECT statement”</span> |
| <a name="l00030"></a>00030 <span class="comment"> (Greenplum versions before version 4.2, and in rare special cases also later</span> |
| <a name="l00031"></a>00031 <span class="comment"> versions).</span> |
| <a name="l00032"></a>00032 <span class="comment"> The workaround is:</span> |
| <a name="l00033"></a>00033 <span class="comment"> <pre>SELECT \ref create_table_as('<em>table_name</em>', $$</span> |
| <a name="l00034"></a>00034 <span class="comment"> <em>query</em></span> |
| <a name="l00035"></a>00035 <span class="comment">$$, 'BY (<em>column</em>, [...]) | RANDOMLY');</pre></span> |
| <a name="l00036"></a>00036 <span class="comment">- <tt>INSERT INTO <em>table_name</em> <em>query</em></tt> where <em>query</em></span> |
| <a name="l00037"></a>00037 <span class="comment"> contains certain MADlib functions fails with the error “function cannot</span> |
| <a name="l00038"></a>00038 <span class="comment"> execute on segment because it issues a non-SELECT statement” (Greenplum</span> |
| <a name="l00039"></a>00039 <span class="comment"> versions before version 4.2, and in rare special cases also later versions).</span> |
| <a name="l00040"></a>00040 <span class="comment"> The workaround is:</span> |
| <a name="l00041"></a>00041 <span class="comment"> <pre>SELECT \ref insert_into('<em>table_name</em>', $$</span> |
| <a name="l00042"></a>00042 <span class="comment"> <em>query</em></span> |
| <a name="l00043"></a>00043 <span class="comment">$$);</pre></span> |
| <a name="l00044"></a>00044 <span class="comment"></span> |
| <a name="l00045"></a>00045 <span class="comment">@note</span> |
| <a name="l00046"></a>00046 <span class="comment">These functions are not needed on PostgreSQL and are usually not needed on</span> |
| <a name="l00047"></a>00047 <span class="comment">Greenplum 4.2 and later. However, they are always installed for compatibility</span> |
| <a name="l00048"></a>00048 <span class="comment">with other platforms.</span> |
| <a name="l00049"></a>00049 <span class="comment">Workarounds should be used only when necessary. For portability and best</span> |
| <a name="l00050"></a>00050 <span class="comment">performance, standard SQL should be prefered whenever possible.</span> |
| <a name="l00051"></a>00051 <span class="comment"></span> |
| <a name="l00052"></a>00052 <span class="comment">@literature</span> |
| <a name="l00053"></a>00053 <span class="comment"></span> |
| <a name="l00054"></a>00054 <span class="comment">[1] Greenplum Admin Guide</span> |
| <a name="l00055"></a>00055 <span class="comment"></span> |
| <a name="l00056"></a>00056 <span class="comment">@sa File compatibility.sql_in (documenting the SQL functions)</span> |
| <a name="l00057"></a>00057 <span class="comment"></span> |
| <a name="l00058"></a>00058 <span class="comment">*/</span> |
| <a name="l00059"></a>00059 <span class="comment"></span> |
| <a name="l00060"></a>00060 <span class="comment">/**</span> |
| <a name="l00061"></a>00061 <span class="comment"> * @brief Mimick <tt>INSERT INTO</tt>. Create new rows in a table.</span> |
| <a name="l00062"></a>00062 <span class="comment"> *</span> |
| <a name="l00063"></a>00063 <span class="comment"> * @param inTableName The name (optionally schema-qualified) of an existing</span> |
| <a name="l00064"></a>00064 <span class="comment"> * table.</span> |
| <a name="l00065"></a>00065 <span class="comment"> * @param inSQL A SELECT command.</span> |
| <a name="l00066"></a>00066 <span class="comment"> *</span> |
| <a name="l00067"></a>00067 <span class="comment"> * @usage</span> |
| <a name="l00068"></a>00068 <span class="comment"> * Use in the same way as the <tt>INSERT INTO</tt> statement:</span> |
| <a name="l00069"></a>00069 <span class="comment"> * <pre>SELECT insert_into('<em>table_name</em>', $$</span> |
| <a name="l00070"></a>00070 <span class="comment"> * <em>query</em></span> |
| <a name="l00071"></a>00071 <span class="comment"> *$$);</pre></span> |
| <a name="l00072"></a>00072 <span class="comment"> *</span> |
| <a name="l00073"></a>00073 <span class="comment"> * @examp</span> |
| <a name="l00074"></a>00074 <span class="comment"> * <pre>SELECT insert_into('public.test', $$</span> |
| <a name="l00075"></a>00075 <span class="comment"> * SELECT * FROM generate_series(1,10) AS id</span> |
| <a name="l00076"></a>00076 <span class="comment"> *$$);\n</span> |
| <a name="l00077"></a>00077 <span class="comment"> *SELECT insert_into('logregr_results', $$</span> |
| <a name="l00078"></a>00078 <span class="comment"> * SELECT * FROM logregr('data', 'y', 'x')</span> |
| <a name="l00079"></a>00079 <span class="comment"> *$$);</pre></span> |
| <a name="l00080"></a>00080 <span class="comment"> *</span> |
| <a name="l00081"></a>00081 <span class="comment"> * @note This function is a workaround. For compliance with the SQL standard and</span> |
| <a name="l00082"></a>00082 <span class="comment"> * for optimal performance, please use the normal <tt>INSERT INTO</tt></span> |
| <a name="l00083"></a>00083 <span class="comment"> * statement whenever possible.</span> |
| <a name="l00084"></a>00084 <span class="comment"> * Known caveats of this workaround:</span> |
| <a name="l00085"></a>00085 <span class="comment"> * - For queries returning a large number of rows, this function will be</span> |
| <a name="l00086"></a>00086 <span class="comment"> * significantly slower than the <tt>INSERT INTO</tt> statement.</span> |
| <a name="l00087"></a>00087 <span class="comment"> */</span> |
| <a name="l00088"></a>00088 CREATE FUNCTION MADLIB_SCHEMA.insert_into( |
| <a name="l00089"></a>00089 "inTableName" VARCHAR, |
| <a name="l00090"></a>00090 "inSQL" VARCHAR) |
| <a name="l00091"></a>00091 RETURNS VOID |
| <a name="l00092"></a>00092 LANGUAGE plpgsql |
| <a name="l00093"></a>00093 VOLATILE |
| <a name="l00094"></a>00094 RETURNS NULL ON NULL INPUT |
| <a name="l00095"></a>00095 AS $$ |
| <a name="l00096"></a>00096 DECLARE |
| <a name="l00097"></a>00097 oldClientMinMessages VARCHAR; |
| <a name="l00098"></a>00098 BEGIN |
| <a name="l00099"></a>00099 oldClientMinMessages := |
| <a name="l00100"></a>00100 (SELECT setting FROM pg_settings WHERE name = 'client_min_messages<span class="stringliteral">');</span> |
| <a name="l00101"></a>00101 <span class="stringliteral"> EXECUTE '</span>SET client_min_messages TO warning<span class="stringliteral">';</span> |
| <a name="l00102"></a>00102 <span class="stringliteral"></span> |
| <a name="l00103"></a>00103 <span class="stringliteral"> PERFORM MADLIB_SCHEMA.create_schema_pg_temp();</span> |
| <a name="l00104"></a>00104 <span class="stringliteral"></span> |
| <a name="l00105"></a>00105 <span class="stringliteral"> EXECUTE</span> |
| <a name="l00106"></a>00106 <span class="stringliteral"> '</span>DROP FUNCTION IF EXISTS pg_temp._madlib_temp_function(); |
| <a name="l00107"></a>00107 CREATE FUNCTION pg_temp._madlib_temp_function() |
| <a name="l00108"></a>00108 RETURNS VOID |
| <a name="l00109"></a>00109 LANGUAGE plpgsql |
| <a name="l00110"></a><a class="code" href="compatibility_8sql__in.html#a62af9c8b5618f77beaee1b2e1c411714">00110</a> AS $_madlib_temp_function$ |
| <a name="l00111"></a>00111 DECLARE |
| <a name="l00112"></a>00112 result <span class="stringliteral">' || "inTableName" || '</span>%ROWTYPE; |
| <a name="l00113"></a>00113 BEGIN |
| <a name="l00114"></a>00114 FOR result IN EXECUTE |
| <a name="l00115"></a>00115 $_madlib_temp_function_string$ |
| <a name="l00116"></a>00116 <span class="stringliteral">' || "inSQL" || '</span> |
| <a name="l00117"></a>00117 $_madlib_temp_function_string$ |
| <a name="l00118"></a>00118 LOOP |
| <a name="l00119"></a>00119 |
| <a name="l00120"></a>00120 INSERT INTO <span class="stringliteral">' || "inTableName" || '</span> VALUES (result.*); |
| <a name="l00121"></a>00121 END LOOP; |
| <a name="l00122"></a>00122 END; |
| <a name="l00123"></a>00123 $_madlib_temp_function$<span class="stringliteral">';</span> |
| <a name="l00124"></a>00124 <span class="stringliteral"></span> |
| <a name="l00125"></a>00125 <span class="stringliteral"> -- We call _madlib_temp_function() in a separate</span> |
| <a name="l00126"></a>00126 <span class="stringliteral"> -- EXECUTE statement because it is not yet visible before</span> |
| <a name="l00127"></a>00127 <span class="stringliteral"> -- (we would see "ERROR: function _madlib_temp_function() does not exist")</span> |
| <a name="l00128"></a>00128 <span class="stringliteral"> EXECUTE</span> |
| <a name="l00129"></a>00129 <span class="stringliteral"> '</span>SELECT pg_temp._madlib_temp_function(); |
| <a name="l00130"></a>00130 SET client_min_messages TO <span class="stringliteral">' || oldClientMinMessages || '</span>;<span class="stringliteral">';</span> |
| <a name="l00131"></a>00131 <span class="stringliteral">END;</span> |
| <a name="l00132"></a>00132 <span class="stringliteral">$$;</span> |
| <a name="l00133"></a>00133 <span class="stringliteral"></span> |
| <a name="l00134"></a>00134 <span class="stringliteral"></span> |
| <a name="l00135"></a>00135 <span class="stringliteral">CREATE FUNCTION MADLIB_SCHEMA.internal_create_table_as(</span> |
| <a name="l00136"></a>00136 <span class="stringliteral"> "inTemporary" BOOLEAN,</span> |
| <a name="l00137"></a>00137 <span class="stringliteral"> "inTableName" VARCHAR,</span> |
| <a name="l00138"></a>00138 <span class="stringliteral"> "inSQL" VARCHAR,</span> |
| <a name="l00139"></a>00139 <span class="stringliteral"> "inDistributed" VARCHAR)</span> |
| <a name="l00140"></a>00140 <span class="stringliteral">RETURNS VOID</span> |
| <a name="l00141"></a>00141 <span class="stringliteral">LANGUAGE plpgsql</span> |
| <a name="l00142"></a>00142 <span class="stringliteral">VOLATILE</span> |
| <a name="l00143"></a>00143 <span class="stringliteral">RETURNS NULL ON NULL INPUT</span> |
| <a name="l00144"></a>00144 <span class="stringliteral">AS $$</span> |
| <a name="l00145"></a>00145 <span class="stringliteral">DECLARE</span> |
| <a name="l00146"></a>00146 <span class="stringliteral"> whatToCreate VARCHAR;</span> |
| <a name="l00147"></a>00147 <span class="stringliteral">BEGIN</span> |
| <a name="l00148"></a>00148 <span class="stringliteral"> IF "inTemporary" = TRUE THEN</span> |
| <a name="l00149"></a>00149 <span class="stringliteral"> whatToCreate := '</span>TEMPORARY TABLE<span class="stringliteral">';</span> |
| <a name="l00150"></a>00150 <span class="stringliteral"> ELSE</span> |
| <a name="l00151"></a>00151 <span class="stringliteral"> whatToCreate := '</span>TABLE<span class="stringliteral">';</span> |
| <a name="l00152"></a>00152 <span class="stringliteral"> END IF;</span> |
| <a name="l00153"></a>00153 <span class="stringliteral"></span> |
| <a name="l00154"></a>00154 <span class="stringliteral"> -- We separate the following EXECUTE statement because it is prone</span> |
| <a name="l00155"></a>00155 <span class="stringliteral"> -- to generate an exception -- e.g., if the table already exists</span> |
| <a name="l00156"></a>00156 <span class="stringliteral"> -- In that case we want to keep the context in the error message short</span> |
| <a name="l00157"></a>00157 <span class="stringliteral"> EXECUTE</span> |
| <a name="l00158"></a>00158 <span class="stringliteral"> '</span>CREATE <span class="stringliteral">' || whatToCreate || '</span> <span class="stringliteral">' || "inTableName" || '</span> AS |
| <a name="l00159"></a>00159 SELECT * FROM (<span class="stringliteral">' || "inSQL" || '</span>) AS _madlib_ignore |
| <a name="l00160"></a>00160 WHERE FALSE |
| <a name="l00161"></a>00161 m4_ifdef(<!__GREENPLUM__!>,<! |
| <a name="l00162"></a>00162 DISTRIBUTED ' || "inDistributed"; |
| <a name="l00163"></a>00163 !>,<! |
| <a name="l00164"></a>00164 '; |
| <a name="l00165"></a>00165 !>) |
| <a name="l00166"></a>00166 |
| <a name="l00167"></a>00167 PERFORM MADLIB_SCHEMA.<a class="code" href="compatibility_8sql__in.html#a62af9c8b5618f77beaee1b2e1c411714" title="Mimick INSERT INTO. Create new rows in a table.">insert_into</a>("inTableName", "inSQL"); |
| <a name="l00168"></a>00168 END; |
| <a name="l00169"></a>00169 $$; |
| <a name="l00170"></a>00170 |
| <a name="l00171"></a>00171 <span class="comment"></span> |
| <a name="l00172"></a>00172 <span class="comment">/**</span> |
| <a name="l00173"></a>00173 <span class="comment"> * @brief Mimick <tt>CREATE TABLE AS</tt>. Create a table and fill it with data</span> |
| <a name="l00174"></a>00174 <span class="comment"> * computed by a \c SELECT command.</span> |
| <a name="l00175"></a>00175 <span class="comment"> *</span> |
| <a name="l00176"></a>00176 <span class="comment"> * @param inTableName The name (optionally schema-qualified) of the table to be</span> |
| <a name="l00177"></a>00177 <span class="comment"> * created.</span> |
| <a name="l00178"></a>00178 <span class="comment"> * @param inSQL A SELECT command.</span> |
| <a name="l00179"></a>00179 <span class="comment"> * @param inDistributed The Greenplum Database distribution policy for the</span> |
| <a name="l00180"></a>00180 <span class="comment"> * table. This can be either \c RANDOMLY, which is the default, or</span> |
| <a name="l00181"></a>00181 <span class="comment"> * <tt>BY (<em>column</em>, [...])</tt>. This parameter is ignored on</span> |
| <a name="l00182"></a>00182 <span class="comment"> * PostgreSQL.</span> |
| <a name="l00183"></a>00183 <span class="comment"> *</span> |
| <a name="l00184"></a>00184 <span class="comment"> * @usage</span> |
| <a name="l00185"></a>00185 <span class="comment"> * Use in the same way as the <tt>CREATE TABLE AS</tt> statement:</span> |
| <a name="l00186"></a>00186 <span class="comment"> * <pre>SELECT create_table_as('<em>table_name</em>', $$</span> |
| <a name="l00187"></a>00187 <span class="comment"> * <em>query</em></span> |
| <a name="l00188"></a>00188 <span class="comment"> *$$, 'BY (<em>column</em>, [...]) | RANDOMLY');</pre></span> |
| <a name="l00189"></a>00189 <span class="comment"> *</span> |
| <a name="l00190"></a>00190 <span class="comment"> * @examp</span> |
| <a name="l00191"></a>00191 <span class="comment"> * <pre>SELECT create_table_as('public.test', $$</span> |
| <a name="l00192"></a>00192 <span class="comment"> * SELECT * FROM generate_series(1,10) AS id</span> |
| <a name="l00193"></a>00193 <span class="comment"> *$$, 'BY (id)');\n</span> |
| <a name="l00194"></a>00194 <span class="comment"> *SELECT create_table_as('logregr_result', $$</span> |
| <a name="l00195"></a>00195 <span class="comment"> * SELECT * FROM logregr('data', 'y', 'x')</span> |
| <a name="l00196"></a>00196 <span class="comment"> *$$, 'RANDOMLY');</pre></span> |
| <a name="l00197"></a>00197 <span class="comment"> *</span> |
| <a name="l00198"></a>00198 <span class="comment"> * @note This function is a workaround. For compliance with the SQL standard and</span> |
| <a name="l00199"></a>00199 <span class="comment"> * for optimal performance, please use the normal <tt>CREATE TABLE AS</tt></span> |
| <a name="l00200"></a>00200 <span class="comment"> * statement whenever possible.</span> |
| <a name="l00201"></a>00201 <span class="comment"> * Known caveats of this workaround:</span> |
| <a name="l00202"></a>00202 <span class="comment"> * - For queries returning a large number of rows, this function will be</span> |
| <a name="l00203"></a>00203 <span class="comment"> * significantly slower than the <tt>CREATE TABLE AS</tt> statement.</span> |
| <a name="l00204"></a>00204 <span class="comment"> */</span> |
| <a name="l00205"></a>00205 CREATE FUNCTION MADLIB_SCHEMA.<a class="code" href="compatibility_8sql__in.html#a7e4ff90d5d720d76651643eefa66cd14" title="Mimick CREATE TABLE AS. Create a table and fill it with data computed by a SELECT command...">create_table_as</a>( |
| <a name="l00206"></a>00206 "inTableName" VARCHAR, |
| <a name="l00207"></a>00207 "inSQL" VARCHAR, |
| <a name="l00208"></a>00208 "inDistributed" VARCHAR <span class="comment">/*+ = 'RANDOMLY' */</span>) |
| <a name="l00209"></a>00209 RETURNS VOID |
| <a name="l00210"></a>00210 LANGUAGE sql |
| <a name="l00211"></a>00211 VOLATILE |
| <a name="l00212"></a>00212 RETURNS NULL ON NULL INPUT |
| <a name="l00213"></a>00213 AS $$ |
| <a name="l00214"></a>00214 SELECT MADLIB_SCHEMA.internal_create_table_as(FALSE, |
| <a name="l00215"></a>00215 $1, $2, $3); |
| <a name="l00216"></a>00216 $$; |
| <a name="l00217"></a>00217 |
| <a name="l00218"></a>00218 |
| <a name="l00219"></a>00219 CREATE FUNCTION MADLIB_SCHEMA.<a class="code" href="compatibility_8sql__in.html#a7e4ff90d5d720d76651643eefa66cd14" title="Mimick CREATE TABLE AS. Create a table and fill it with data computed by a SELECT command...">create_table_as</a>( |
| <a name="l00220"></a>00220 "inTableName" VARCHAR, |
| <a name="l00221"></a>00221 "inSQL" VARCHAR) |
| <a name="l00222"></a>00222 RETURNS VOID |
| <a name="l00223"></a>00223 LANGUAGE sql |
| <a name="l00224"></a>00224 VOLATILE |
| <a name="l00225"></a><a class="code" href="compatibility_8sql__in.html#a7e4ff90d5d720d76651643eefa66cd14">00225</a> RETURNS NULL ON NULL INPUT |
| <a name="l00226"></a>00226 AS $$ |
| <a name="l00227"></a>00227 SELECT MADLIB_SCHEMA.internal_create_table_as(FALSE, |
| <a name="l00228"></a>00228 $1, $2, 'RANDOMLY'); |
| <a name="l00229"></a>00229 $$; |
| <a name="l00230"></a>00230 |
| <a name="l00231"></a>00231 <span class="comment"></span> |
| <a name="l00232"></a>00232 <span class="comment">/**</span> |
| <a name="l00233"></a>00233 <span class="comment"> * @brief Mimick <tt>CREATE TEMPORARY TABLE AS</tt>. Create a temporary table</span> |
| <a name="l00234"></a>00234 <span class="comment"> * and fill it with data computed by a \c SELECT command.</span> |
| <a name="l00235"></a>00235 <span class="comment"> *</span> |
| <a name="l00236"></a>00236 <span class="comment"> * @sa create_table_as()</span> |
| <a name="l00237"></a>00237 <span class="comment"> */</span> |
| <a name="l00238"></a>00238 CREATE FUNCTION MADLIB_SCHEMA.<a class="code" href="compatibility_8sql__in.html#a3f1c139a9b5dceb5312f730be2a5868d" title="Mimick CREATE TEMPORARY TABLE AS. Create a temporary table and fill it with data computed by a SELECT...">create_temporary_table_as</a>( |
| <a name="l00239"></a>00239 "inTableName" VARCHAR, |
| <a name="l00240"></a>00240 "inSQL" VARCHAR, |
| <a name="l00241"></a>00241 "inDistributed" VARCHAR <span class="comment">/*+ = 'RANDOMLY' */</span>) |
| <a name="l00242"></a>00242 RETURNS VOID |
| <a name="l00243"></a>00243 LANGUAGE sql |
| <a name="l00244"></a>00244 VOLATILE |
| <a name="l00245"></a>00245 RETURNS NULL ON NULL INPUT |
| <a name="l00246"></a>00246 AS $$ |
| <a name="l00247"></a>00247 SELECT MADLIB_SCHEMA.internal_create_table_as(TRUE, |
| <a name="l00248"></a>00248 $1, $2, $3); |
| <a name="l00249"></a>00249 $$; |
| <a name="l00250"></a>00250 |
| <a name="l00251"></a>00251 |
| <a name="l00252"></a>00252 CREATE FUNCTION MADLIB_SCHEMA.<a class="code" href="compatibility_8sql__in.html#a3f1c139a9b5dceb5312f730be2a5868d" title="Mimick CREATE TEMPORARY TABLE AS. Create a temporary table and fill it with data computed by a SELECT...">create_temporary_table_as</a>( |
| <a name="l00253"></a>00253 "inTableName" VARCHAR, |
| <a name="l00254"></a>00254 "inSQL" VARCHAR) |
| <a name="l00255"></a>00255 RETURNS VOID |
| <a name="l00256"></a>00256 LANGUAGE sql |
| <a name="l00257"></a>00257 VOLATILE |
| <a name="l00258"></a><a class="code" href="compatibility_8sql__in.html#a3f1c139a9b5dceb5312f730be2a5868d">00258</a> RETURNS NULL ON NULL INPUT |
| <a name="l00259"></a>00259 AS $$ |
| <a name="l00260"></a>00260 SELECT MADLIB_SCHEMA.internal_create_table_as(TRUE, |
| <a name="l00261"></a>00261 $1, $2, 'RANDOMLY'); |
| <a name="l00262"></a>00262 $$; |
| <a name="l00263"></a>00263 |
| <a name="l00264"></a>00264 |
| <a name="l00265"></a>00265 <span class="comment">/*</span> |
| <a name="l00266"></a>00266 <span class="comment"> * We also provide create_temp_table_as, but we do not advertise it in our</span> |
| <a name="l00267"></a>00267 <span class="comment"> * documentation.</span> |
| <a name="l00268"></a>00268 <span class="comment"> */</span> |
| <a name="l00269"></a>00269 CREATE FUNCTION MADLIB_SCHEMA.create_temp_table_as( |
| <a name="l00270"></a>00270 "inTableName" VARCHAR, |
| <a name="l00271"></a>00271 "inSQL" VARCHAR, |
| <a name="l00272"></a>00272 "inDistributed" VARCHAR <span class="comment">/*+ = 'RANDOMLY' */</span>) |
| <a name="l00273"></a>00273 RETURNS VOID |
| <a name="l00274"></a>00274 LANGUAGE sql |
| <a name="l00275"></a>00275 VOLATILE |
| <a name="l00276"></a>00276 RETURNS NULL ON NULL INPUT |
| <a name="l00277"></a>00277 AS $$ |
| <a name="l00278"></a>00278 SELECT MADLIB_SCHEMA.internal_create_table_as(TRUE, |
| <a name="l00279"></a>00279 $1, $2, $3); |
| <a name="l00280"></a>00280 $$; |
| <a name="l00281"></a>00281 |
| <a name="l00282"></a>00282 |
| <a name="l00283"></a>00283 CREATE FUNCTION MADLIB_SCHEMA.create_temp_table_as( |
| <a name="l00284"></a>00284 "inTableName" VARCHAR, |
| <a name="l00285"></a>00285 "inSQL" VARCHAR) |
| <a name="l00286"></a>00286 RETURNS VOID |
| <a name="l00287"></a>00287 LANGUAGE sql |
| <a name="l00288"></a>00288 VOLATILE |
| <a name="l00289"></a>00289 RETURNS NULL ON NULL INPUT |
| <a name="l00290"></a>00290 AS $$ |
| <a name="l00291"></a>00291 SELECT MADLIB_SCHEMA.internal_create_table_as(TRUE, |
| <a name="l00292"></a>00292 $1, $2, 'RANDOMLY'); |
| <a name="l00293"></a>00293 $$; |
| <a name="l00294"></a>00294 |
| <a name="l00295"></a>00295 m4_changequote(<!`!>,<!'!>) |
| </pre></div></div> |
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