getGenes.php
5b564b1af031master

getGenes.php
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			<?php
			// case sensitive % stands for .*
			//select *
			//from shrine_ont.gene_values
			//where gene_value LIKE '%A1%' //
			//LIMIT 20

			// case insensitive with regex
			//select *
			//from shrine_ont.gene_values
			//where gene_value ~* '.a1.'
			//LIMIT 20

			//$conn = pg_connect("host=localhost port=5432 dbname=i2b2 user=postgres password=admin");
			$conn = pg_connect("host=localhost port=5432 dbname=i2b2demo user=shrine_ont password=pFjy3EjDVwLfT2rB9xkK");

			if (!$conn) {
			echo "Error while connecting to the postgres database";
			exit;
			}

			// get the row which contains all the values of the passed annotation
			$query =
			"SELECT gene_value
			FROM shrine_ont.gene_values
			WHERE gene_value ~* '." . $_GET["gene"] .".'
			LIMIT " . $_GET["limit"];

			$result = pg_query($conn, $query);
			if (!$result) {
			echo "An error occurred.\n";
			exit;
			}

			// In json format return the list of genes
			$geneList = "";
			while ($row = pg_fetch_row($result)) {
			$geneList .= "\"$row[0]\",";
			}
			// drop the last comma and concatenate in json format
			echo "[" . substr($geneList, 0, -1) . "]";