gjacoby126 commented on a change in pull request #857:
URL: https://github.com/apache/phoenix/pull/857#discussion_r473402594
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File path:
phoenix-core/src/main/java/org/apache/phoenix/compile/QueryCompiler.java
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@@ -172,6 +178,28 @@ public QueryPlan compile() throws SQLException{
return plan;
}
+ private void verifySCN() throws SQLException {
+ if (!HbaseCompatCapabilities.isMaxLookbackTimeSupported()) {
+ return;
+ }
+ PhoenixConnection conn = statement.getConnection();
+ Long scn = conn.getSCN();
+ if (scn == null) {
+ return;
+ }
+ ColumnResolver resolver =
+ FromCompiler.getResolverForQuery(select, conn);
+ int maxLookBackAge = conn.getQueryServices().
+
getConfiguration().getInt(CompatBaseScannerRegionObserver.PHOENIX_MAX_LOOKBACK_AGE_CONF_KEY,
+ CompatBaseScannerRegionObserver.DEFAULT_PHOENIX_MAX_LOOKBACK_AGE);
+ long now = EnvironmentEdgeManager.currentTimeMillis();
+ if (maxLookBackAge > 0 && now - maxLookBackAge * 1000L > scn){
Review comment:
@swaroopak Switched to using an existing helper function to get the
millisecond version of the max lookback config.
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