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authorRob McGinley <mcginleyr1@gmail.com>2016-06-04 10:39:56 -0400
committerRob McGinley <mcginleyr1@gmail.com>2016-06-04 10:39:56 -0400
commit8dc7986ada6631a491ff09f286a1a534e7b34a19 (patch)
tree75957a61c59ad06efcafa3ae04b622315e08dd36 /app/services/help-service.ts
parentffec797c18059bad36916c7593902e1906b991ce (diff)
parentd7bac26ce4a8618c4e0bba5335880c92d09acc32 (diff)
Merge branch 'master' of github.com:AlexTatiyants/pev
Diffstat (limited to 'app/services/help-service.ts')
-rw-r--r--app/services/help-service.ts5
1 files changed, 4 insertions, 1 deletions
diff --git a/app/services/help-service.ts b/app/services/help-service.ts
index 6067b05..532d694 100644
--- a/app/services/help-service.ts
+++ b/app/services/help-service.ts
@@ -26,5 +26,8 @@ export var NODE_DESCRIPTIONS = {
from the index and do not read from the corresponding table.`,
'BITMAP HEAP SCAN': 'searches through the pages returned by the <strong>Bitmap Index Scan</strong> for relevant rows.',
'BITMAP INDEX SCAN': `uses a <strong>Bitmap Index</strong> (index which uses 1 bit per page) to find all relevant pages.
- Results of this node are fed to the <strong>Bitmap Heap Scan</strong>.`
+ Results of this node are fed to the <strong>Bitmap Heap Scan</strong>.`,
+ 'CTE SCAN': `performs a sequential scan of <strong>Common Table Expression (CTE) query</strong> results. Note that
+ results of a CTE are materialized (calculated and temporarily stored).`
+
};