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author | Rob McGinley <mcginleyr1@gmail.com> | 2016-06-04 10:39:56 -0400 |
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committer | Rob McGinley <mcginleyr1@gmail.com> | 2016-06-04 10:39:56 -0400 |
commit | 8dc7986ada6631a491ff09f286a1a534e7b34a19 (patch) | |
tree | 75957a61c59ad06efcafa3ae04b622315e08dd36 /app/services/help-service.ts | |
parent | ffec797c18059bad36916c7593902e1906b991ce (diff) | |
parent | d7bac26ce4a8618c4e0bba5335880c92d09acc32 (diff) |
Merge branch 'master' of github.com:AlexTatiyants/pev
Diffstat (limited to 'app/services/help-service.ts')
-rw-r--r-- | app/services/help-service.ts | 5 |
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).` + }; |