45 lines
2.7 KiB
Java
45 lines
2.7 KiB
Java
import java.io.FileInputStream;
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import java.sql.*;
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import java.util.Properties;
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public class TableSurvey {
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public static void main(String[] args) throws Exception {
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Properties props = new Properties();
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try (FileInputStream in = new FileInputStream(args[0])) { props.load(in); }
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try (Connection conn = DriverManager.getConnection(props.getProperty("url"), props.getProperty("username"), props.getProperty("password"))) {
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System.out.println("== ALL TABLES + ROW COUNTS ==");
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try (Statement st = conn.createStatement();
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ResultSet rs = st.executeQuery(
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"SELECT t.name AS tbl, SUM(p.rows) AS rowcnt " +
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"FROM sys.tables t JOIN sys.partitions p ON p.object_id = t.object_id AND p.index_id IN (0,1) " +
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"GROUP BY t.name ORDER BY t.name")) {
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while (rs.next()) System.out.printf(" %-24s rows=%s%n", rs.getString("tbl"), rs.getString("rowcnt"));
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}
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System.out.println("== TABLES WHOSE b_id IS IDENTITY ==");
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try (Statement st = conn.createStatement();
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ResultSet rs = st.executeQuery(
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"SELECT OBJECT_NAME(ic.object_id) AS tbl FROM sys.identity_columns ic WHERE ic.name='b_id' ORDER BY 1")) {
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int n = 0;
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while (rs.next()) { System.out.println(" " + rs.getString("tbl")); n++; }
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System.out.println(" count=" + n);
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}
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System.out.println("== PK / UNIQUE / CHECK CONSTRAINTS REFERENCING TABLES ==");
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try (Statement st = conn.createStatement();
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ResultSet rs = st.executeQuery(
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"SELECT OBJECT_NAME(kc.parent_object_id) AS tbl, kc.name AS cons, kc.type_desc " +
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"FROM sys.key_constraints kc WHERE kc.parent_object_id IN (SELECT object_id FROM sys.tables) " +
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"ORDER BY tbl, cons")) {
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while (rs.next()) System.out.printf(" %-24s %-30s %s%n", rs.getString("tbl"), rs.getString("cons"), rs.getString("type_desc"));
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}
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System.out.println("== NON-CLUSTERED INDEXES ==");
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try (Statement st = conn.createStatement();
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ResultSet rs = st.executeQuery(
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"SELECT OBJECT_NAME(i.object_id) AS tbl, i.name AS idx, i.is_unique " +
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"FROM sys.indexes i WHERE i.object_id IN (SELECT object_id FROM sys.tables) AND i.type = 2 " +
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"ORDER BY tbl, idx")) {
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while (rs.next()) System.out.printf(" %-24s %-32s unique=%s%n", rs.getString("tbl"), rs.getString("idx"), rs.getBoolean("is_unique"));
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}
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}
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}
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}
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