<spanclass="kd">var</span><spanclass="nx">baseSchemaGrammar</span><spanclass="o">=</span><spanclass="nx">require</span><spanclass="p">(</span><spanclass="s1">'../../base/schemagrammar'</span><spanclass="p">).</span><spanclass="nx">baseSchemaGrammar</span><spanclass="p">;</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Grammar for the schema builder.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">exports</span><spanclass="p">.</span><spanclass="nx">schemaGrammar</span><spanclass="o">=</span><spanclass="nx">_</span><spanclass="p">.</span><spanclass="nx">defaults</span><spanclass="p">({</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>The possible column modifiers.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">modifiers</span><spanclass="o">:</span><spanclass="p">[</span><spanclass="s1">'Increment'</span><spanclass="p">,</span><spanclass="s1">'Nullable'</span><spanclass="p">,</span><spanclass="s1">'Default'</span><spanclass="p">],</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Ensures the response is returned in the same format as other clients.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">handleResponse</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">builder</span><spanclass="p">,</span><spanclass="nx">resp</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile the query to determine if a table exists.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileTableExists</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s1">'select * from information_schema.tables where table_name = ?'</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile the query to determine if a column exists in a table.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileColumnExists</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s1">'select * from information_schema.columns where table_name = ? and column_name = ?'</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a create table command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileAdd</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a primary key command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compilePrimary</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a unique key command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileUnique</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a plain index key command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileIndex</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s2">"create index "</span><spanclass="o">+</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">index</span><spanclass="o">+</span><spanclass="s2">" on "</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s1">' ('</span><spanclass="o">+</span><spanclass="nx">columns</span><spanclass="o">+</span><spanclass="s1">')'</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a drop column command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileDropColumn</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a drop primary key command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileDropPrimary</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s1">'alter table '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s2">" drop constraint "</span><spanclass="o">+</span><spanclass="nx">table</span><spanclass="o">+</span><spanclass="s2">"_pkey"</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a drop unique key command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileDropUnique</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s2">"alter table "</span><spanclass="o">+</span><spanclass="nx">table</span><spanclass="o">+</span><spanclass="s2">" drop constraint "</span><spanclass="o">+</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">index</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a drop foreign key command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileDropForeign</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s2">"alter table "</span><spanclass="o">+</span><spanclass="nx">table</span><spanclass="o">+</span><spanclass="s2">" drop constraint "</span><spanclass="o">+</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">index</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a rename table command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileRenameTable</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s1">'alter table '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s1">' rename to '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">to</span><spanclass="p">);</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a rename column command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileRenameColumn</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s1">'alter table '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s1">' rename '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">from</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s1">' to '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">to</span><spanclass="p">);</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile a comment command.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileComment</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="nx">sql</span><spanclass="o">+=</span><spanclass="s1">'comment on table '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s1">' is '</span><spanclass="o">+</span><spanclass="s2">"'"</span><spanclass="o">+</span><spanclass="nx">command</span><spanclass="p">.</span><spanclass="nx">comment</span><spanclass="o">+</span><spanclass="s2">"'"</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Compile any additional postgres specific items.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">compileAdditional</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">command</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="k">return</span><spanclass="s1">'comment on column '</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrapTable</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s1">'.'</span><spanclass="o">+</span><spanclass="k">this</span><spanclass="p">.</span><spanclass="nx">wrap</span><spanclass="p">(</span><spanclass="nx">column</span><spanclass="p">.</span><spanclass="nx">name</span><spanclass="p">)</span><spanclass="o">+</span><spanclass="s2">" is '"</span><spanclass="o">+</span><spanclass="nx">column</span><spanclass="p">.</span><spanclass="nx">isCommented</span><spanclass="o">+</span><spanclass="s2">"'"</span><spanclass="p">;</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a integer type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeInteger</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">column</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a tiny integer type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeTinyInteger</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a float type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeFloat</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a decimal type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeDecimal</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">column</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a boolean type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeBoolean</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for an enum type.
Using method 2 here: http://stackoverflow.com/questions/10923213/postgres-enum-data-type-or-check-constraint</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeEnum</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">column</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a date-time type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeDateTime</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a timestamp type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeTimestamp</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a bit type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeBit</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">column</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a binary type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeBinary</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a uuid type.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeUuid</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">()</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Create the column definition for a json type,
checking whether the json type is supported - falling
back to "text" if it's not.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">typeJson</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">column</span><spanclass="p">,</span><spanclass="nx">blueprint</span><spanclass="p">)</span><spanclass="p">{</span>
<spanclass="p">},</span></div></div></div><divclass="segment"><divclass="comments"><divclass="wrapper"><p>Get the SQL for an auto-increment column modifier.</p></div></div><divclass="code"><divclass="wrapper"><spanclass="nx">modifyIncrement</span><spanclass="o">:</span><spanclass="kd">function</span><spanclass="p">(</span><spanclass="nx">blueprint</span><spanclass="p">,</span><spanclass="nx">column</span><spanclass="p">)</span><spanclass="p">{</span>
