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mdbCache.py
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mdbCache.py
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#mdbCache.py
import sys, random, math, itertools
import monetdb.sql as mdb
import time
from numpy import *
import Gnuplot, Gnuplot.funcutils
def decToBinTrans(dec, numCols, numChunks):
binLen = math.ceil(numCols + math.log(numChunks, 2))
binCode = bin(dec)[2:]
if(len(binCode) < binLen):
lbc = len(binCode)
for x in range(binLen - lbc):
binCode = "0" + binCode
def binToRecTrans(bin, numCols):
#input binary representation, return list of columns, chunk
bin = str(bin)
col = [i for i in range(numCols) if(bin[i] == '1')]
chunk = int(bin[numCols:], 2)
return col, chunk
def recToBinTrans(col, chunk, numCols, numChunks):
chunkBinLen = math.ceil(math.log(numChunks, 2))
#input list of columns relevant, chunk number
colBin = ""
for x in range(numCols + 1):
if(x in col):
colBin += '1'
else:
colBin += '0'
chunkBin = bin(chunk)[2:]
if(len(chunkBin) < chunkBinLen):
lcb = len(chunkBin)
for x in range(chunkBinLen - lcb):
chunkBin = "0" + chunkBin
return colBin + chunkBin
def createDCChunks(cur, conn, table, levels, numChunks, numCols, numRows):
maxRows = (2**numCols - 1)*numChunks
sizeChunk = math.floor(numRows/numChunks)
#sizeChunk = math.ceil(numRows/numChunks)
cur.execute("SELECT * FROM " + table)
colList = [x[0] for x in cur.description]
#level 1
for x in range(numChunks):
createTable(cur, conn, 'dc_' + table + "c" + str(x), 6, 1)
for i in range(1, len(colList)):
#cur.execute("CREATE FUNCTION GET_CHUNK(lim INT, off INT, tbl varchar(32), col varchar(32)) RETURNS TABLE (clm integer)"
# +" RETURN SELECT col FROM tbl LIMIT lim OFFSET off; END;")
##^^This is the statement that SHOULD work but doesn't because monetdb doesn't recognize the variables like "col", "lim"
cur.execute("CREATE FUNCTION GET_CHUNK() RETURNS TABLE (clm integer) "
+"BEGIN RETURN SELECT " + colList[i] + " FROM " + table + " LIMIT " + str(sizeChunk) + " OFFSET " + str(x*sizeChunk) + "; END;")
cur.execute("SELECT AVG(clm), STDDEV_SAMP(clm), VAR_SAMP(clm), MEDIAN(clm) FROM GET_CHUNK()")
#cur.execute("SELECT AVG(banana) FROM GET_CHUNK()")
avg, std, var, med = cur.fetchone()
#cur.execute("SELECT TOP 1 COUNT( ) val, freq FROM " + table + " GROUP BY " + colList[i] + " ORDER BY COUNT( ) DESC")
#mod = int(cur.fetchone()[0])
mod = 0
cur.execute("INSERT INTO dc_" + table + "c" + str(x) + " (col0, col1, col2, col3, col4, col5) VALUES (%s, %s, %s, %s, %s, %s)",
[int(recToBinTrans([i], x, numCols, numChunks), 2), avg, std,var,med,mod])
cur.execute("DROP FUNCTION GET_CHUNK()")
#level 2
for i, j in itertools.combinations(range(1, numCols+1), 2):
for c in range(numChunks):
cur.execute("CREATE FUNCTION GET_CHUNK() RETURNS TABLE (cl1 integer, cl2 integer) "
+"BEGIN RETURN SELECT " + colList[i] + "," + colList[j] + " FROM " + table + " LIMIT " + str(sizeChunk) + " OFFSET " + str(x*sizeChunk) + "; END;")
cur.execute("SELECT CORR(cl1, cl2) FROM GET_CHUNK()")
cur.execute("INSERT INTO dc_" + table + "c" + str(c) + " (col0, col1) VALUES (%s, %s)",
[int(recToBinTrans([i, j], c, numCols, numChunks), 2), cur.fetchone()[0]])
cur.execute("DROP FUNCTION GET_CHUNK()")
conn.commit()
#3-n Levels
for i in range(3, levels+1):
for c in range(numChunks):
for j in itertools.combinations(range(1, numCols + 1), i):
vals = []
for k in itertools.combinations(range(1, i), i-1):
cur.execute("SELECT col1 FROM dc_" + table + "c" + str(c) + " WHERE col0="
+ str(int(recToBinTrans(k, c, numCols, numChunks), 2)))
vals.append(cur.fetchone()[0])
correlation = sum(vals) + 42
cur.execute("INSERT INTO dc_" + table + "c" + str(c) + " (col0, col1) VALUES (%s, %s)",
[str(int(recToBinTrans(j, c, numCols, numChunks), 2)), correlation])
conn.commit()
def createDCLevels(cur, conn, table, levels, numChunks, numCols, numRows):
createTable(cur, conn, 'dc_' + table + "1", 6, 1)
maxRows = (2**numCols - 1)*numChunks
sizeChunk = math.floor(numRows/numChunks)
#sizeChunk = math.ceil(numRows/numChunks)
cur.execute("SELECT * FROM " + table)
colList = [x[0] for x in cur.description]
#level 1
for i in range(1, len(colList)):
for x in range(numChunks):
#cur.execute("CREATE FUNCTION GET_CHUNK(lim INT, off INT, tbl varchar(32), col varchar(32)) RETURNS TABLE (clm integer)"
# +" RETURN SELECT col FROM tbl LIMIT lim OFFSET off; END;")
##^^This is the statement that SHOULD work but doesn't because monetdb doesn't recognize the variables "col", "tbl", "off", "lim"
cur.execute("CREATE FUNCTION GET_CHUNK() RETURNS TABLE (clm integer) "
+"BEGIN RETURN SELECT " + colList[i] + " FROM " + table + " LIMIT " + str(sizeChunk) + " OFFSET " + str(x*sizeChunk) + "; END;")
cur.execute("SELECT AVG(clm), STDDEV_SAMP(clm), VAR_SAMP(clm), MEDIAN(clm) FROM GET_CHUNK()")
#cur.execute("SELECT AVG(banana) FROM GET_CHUNK()")
avg, std, var, med = cur.fetchone()
#cur.execute("SELECT TOP 1 COUNT( ) val, freq FROM " + table + " GROUP BY " + colList[i] + " ORDER BY COUNT( ) DESC")
#mod = int(cur.fetchone()[0])
mod = 0
cur.execute("INSERT INTO dc_" + table + "1 (col0, col1, col2, col3, col4, col5) VALUES (%s, %s, %s, %s, %s, %s)",
[int(recToBinTrans([i], x, numCols, numChunks), 2), avg, std,var,med,mod])
cur.execute("DROP FUNCTION GET_CHUNK()")
#level 2
createTable(cur, conn, 'dc_' + table + "2", 6, 1)
for i, j in itertools.combinations(range(1, numCols+1), 2):
for c in range(numChunks):
cur.execute("CREATE FUNCTION GET_CHUNK() RETURNS TABLE (cl1 integer, cl2 integer) "
+"BEGIN RETURN SELECT " + colList[i] + "," + colList[j] + " FROM " + table + " LIMIT " + str(sizeChunk) + " OFFSET " + str(x*sizeChunk) + "; END;")
cur.execute("SELECT CORR(cl1, cl2) FROM GET_CHUNK()")
cur.execute("INSERT INTO dc_" + table + "2 (col0, col1) VALUES (%s, %s)",
[int(recToBinTrans([i, j], c, numCols, numChunks), 2), cur.fetchone()[0]])
cur.execute("DROP FUNCTION GET_CHUNK()")
conn.commit()
#3-n Levels
for i in range(3, levels+1):
createTable(cur, conn, 'dc_' + table + str(i), 6, 1)
for c in range(numChunks):
for j in itertools.combinations(range(1, numCols + 1), i):
vals = []
for k in itertools.combinations(range(1, i), i-1):
cur.execute("SELECT col1 FROM dc_" + table + str(i-1) + " WHERE col0="
+ str(int(recToBinTrans(k, c, numCols, numChunks), 2)))
vals.append(cur.fetchone()[0])
correlation = sum(vals) + 42
cur.execute("INSERT INTO dc_" + table + str(i) + " (col0, col1) VALUES (%s, %s)",
[str(int(recToBinTrans(j, c, numCols, numChunks), 2)), correlation])
conn.commit()
def createDCTableSetup(table, levels, numChunks, numCols, numRows):
conn = mdb.connect(username="monetdb", password="monetdb", database="test")
cur = conn.cursor()
if(numCols + math.ceil(math.log(numChunks, 2)) >= 32):
createTable(cur, conn, 'dc_' + table, 6, 1, 1)
else:
createTable(cur, conn, 'dc_' + table, 6, 1)
conn.commit()
def createDCTableLevel1(table, levels, numChunks, numCols, numRows):
conn = mdb.connect(username="monetdb", password="monetdb", database="test")
cur = conn.cursor()
maxRows = (2**numCols - 1)*numChunks
sizeChunk = math.floor(numRows/numChunks)
#sizeChunk = math.ceil(numRows/numChunks)
cur.execute("SELECT * FROM " + table)
colList = [x[0] for x in cur.description]
#level 1
for i in range(1, len(colList)):
for x in range(numChunks):
#cur.execute("CREATE FUNCTION GET_CHUNK(lim INT, off INT, tbl varchar(32), col varchar(32)) RETURNS TABLE (clm integer)"
# +" RETURN SELECT col FROM tbl LIMIT lim OFFSET off; END;")
##^^This is the statement that SHOULD work but doesn't because monetdb doesn't recognize the variables like "col", "lim"
cur.execute("CREATE FUNCTION GET_CHUNK() RETURNS TABLE (clm integer) "
+"BEGIN RETURN SELECT " + colList[i] + " FROM " + table + " LIMIT " + str(sizeChunk) + " OFFSET " + str(x*sizeChunk) + "; END;")
#cur.execute("SELECT AVG(clm), STDDEV_SAMP(clm), VAR_SAMP(clm), MEDIAN(clm) FROM GET_CHUNK()")
#removed median for consistency
cur.execute("SELECT AVG(clm), STDDEV_SAMP(clm), VAR_SAMP(clm) FROM GET_CHUNK()")
#avg, std, var, med = cur.fetchone()
avg, std, var = cur.fetchone()
med = 0
#cur.execute("SELECT TOP 1 COUNT( ) val, freq FROM " + table + " GROUP BY " + colList[i] + " ORDER BY COUNT( ) DESC")
#mod = int(cur.fetchone()[0])
mod = 0
if(numCols + math.ceil(math.log(numChunks, 2)) >= 32):
cur.execute("INSERT INTO dc_" + table + " (col0, col1, col2, col3, col4, col5) VALUES (%s, %s, %s, %s, %s, %s)",
[recToBinTrans([i], x, numCols, numChunks), avg, std,var,med,mod])
else:
cur.execute("INSERT INTO dc_" + table + " (col0, col1, col2, col3, col4, col5) VALUES (%s, %s, %s, %s, %s, %s)",
[int(recToBinTrans([i], x, numCols, numChunks), 2), avg, std,var,med,mod])
cur.execute("DROP FUNCTION GET_CHUNK()")
conn.commit()
def createDCTableLevel2(table, levels, numChunks, numCols, numRows):
conn = mdb.connect(username="monetdb", password="monetdb", database="test")
cur = conn.cursor()
maxRows = (2**numCols - 1)*numChunks
sizeChunk = math.floor(numRows/numChunks)
#sizeChunk = math.ceil(numRows/numChunks)
cur.execute("SELECT * FROM " + table)
colList = [x[0] for x in cur.description]
print("reached 2")
#level 2
for i, j in itertools.combinations(range(1, numCols+1), 2):
for c in range(numChunks):
cur.execute("CREATE FUNCTION GET_CHUNK() RETURNS TABLE (cl1 bigint, cl2 bigint) "
+ "BEGIN RETURN SELECT " + colList[i] + "," + colList[j] + " FROM " + table
+ " LIMIT " + str(sizeChunk) + " OFFSET " + str(c*sizeChunk) + "; END;")
cur.execute("SELECT CORR(cl1, cl2) FROM GET_CHUNK()")
if(numCols + math.ceil(math.log(numChunks, 2)) >= 32):
cur.execute("INSERT INTO dc_" + table + " (col0, col1) VALUES (%s, %s)",
[recToBinTrans([i, j], c, numCols, numChunks), cur.fetchone()[0]])
else:
cur.execute("INSERT INTO dc_" + table + " (col0, col1) VALUES (%s, %s)",
[int(recToBinTrans([i, j], c, numCols, numChunks), 2), cur.fetchone()[0]])
cur.execute("DROP FUNCTION GET_CHUNK()")
conn.commit()
def createDCTableLeveln(table, levels, numChunks, numCols, numRows, two=0):
conn = mdb.connect(username="monetdb", password="monetdb", database="test")
cur = conn.cursor()
for i in range(3, levels+1):
#print("reached", i)
comb = list(itertools.combinations(range(1, numCols + 1), i))
for j in comb: #create combinations of cols
if(two == 1):
comb2 = list(itertools.combinations(j, 2))
else:
comb2 = list(itertools.combinations(j, i-1))
for c in range(numChunks):
vals = []
for k in comb2:
if(numCols + math.ceil(math.log(numChunks, 2)) >= 32):
cur.execute("SELECT col1 FROM dc_" + table + " WHERE col0='"
+ recToBinTrans(k, c, numCols, numChunks) + "'")
else:
cur.execute("SELECT col1 FROM dc_" + table + " WHERE col0='"
+ str(int(recToBinTrans(k, c, numCols, numChunks), 2)) + "'")
vals.append(cur.fetchone()[0])
correlation = sum(vals) + 42
if(numCols + math.ceil(math.log(numChunks, 2)) >= 32):
cur.execute("INSERT INTO dc_" + table + " (col0, col1) VALUES (%s, %s)",
[str(recToBinTrans(j, c, numCols, numChunks)), correlation])
else:
cur.execute("INSERT INTO dc_" + table + " (col0, col1) VALUES (%s, %s)",
[str(int(recToBinTrans(j, c, numCols, numChunks), 2)), correlation])
conn.commit()
def createTable(cur, conn, name, numCol, p=0, l=0):
if(p == 1):
if(l == 1):
cols = "(col0 blob PRIMARY KEY,"
else:
cols = "(col0 bigint PRIMARY KEY,"
for x in range(1, numCol):
cols += "col" + str(x) + " double precision,"
else:
cols = "("
for x in range(numCol):
cols += "col" + str(x) + " int,"
cols = cols[:-1]
cols += ")"
cur.execute("CREATE TABLE " + name + " " + cols)
def graphData(cur, conn, table, col):
cur.execute("SELECT " + col + " FROM " + table)
g = Gnuplot.Gnuplot()
g.title('A simple example')
#g('set style data histograms')
g('set style fill solid 1.0 border -1')
#g.plot([[0,1.1], [1,5.8], [2,3.3], [3,4.2]])
data = cur.fetchall()
g.plot(data)
g.hardcopy('gp_' + table + '.ps', enhanced=1, color=1)
def alterTable(cur, conn):
return
def insertRandData(cur, conn, table, length):
cur.execute("SELECT * FROM " + table)
colList = [x[0] for x in cur.description]
for x in range(int(length)):
exe = "INSERT INTO " + table + " ("
for x in colList:
exe += x + ","
exe = exe[:-1]
exe += ") values ("
for x in range(len(colList)):
exe += "%s, "
exe = exe[:-2]
exe += ")"
cur.execute(exe, [random.randint(1, 5) for x in range(len(colList))])
def getAllData(cur, conn, table):
cur.execute("SELECT * FROM " + table)
print(cur.fetchall())
def main():
#DC INFO
numChunks = 5
numCols = 5
numRows = 100
levels = numCols
conn = mdb.connect(username="monetdb", password="monetdb", database="test")
cur = conn.cursor()
if(sys.argv[1] == "get"):
getAllData(cur, conn, sys.argv[2])
elif(sys.argv[1] == "insert"):
insertRandData(cur, conn, sys.argv[2], sys.argv[3])
elif(sys.argv[1] == "graph"):
graphData(cur, conn, sys.argv[2], sys.argv[3])
elif(sys.argv[1] == "create"):
createTable(cur, conn, sys.argv[2], sys.argv[3])
elif(sys.argv[1] == "createdc"):
createDCTable(cur, conn, sys.argv[2], levels, numChunks, numCols, numRows)
conn.commit()
cur.close()
conn.close()
print("Run time: ", time.time() - startTime, " seconds")
def test():
numChunks = 10
numCols = 5
numRows = 10000
conn = mdb.connect(username="monetdb", password="monetdb", database="test")
cur = conn.cursor()
createTable(cur, conn, "testa", numCols+1)
insertRandData(cur, conn, "testa", numRows)
conn.commit()
createDCTableSetup("testa", numCols, numChunks, numCols, numRows)
print("setup done")
createDCTableLevel1("testa", numCols, numChunks, numCols, numRows)
print("level 1 made")
createDCTableLevel2("testa", numCols, numChunks, numCols, numRows)
print("level 2 made")
createDCTableLeveln("testa", numCols, numChunks, numCols, numRows)
print("done")
conn.commit()
print(time.time() - startTime)
def exp():
if(sys.argv[1] == "setup"):
createDCTableSetup(sys.argv[2], int(sys.argv[3]),int( sys.argv[4]), int(sys.argv[5]), int(sys.argv[6]))
elif(sys.argv[1] == "level1"):
createDCTableLevel1(sys.argv[2], int(sys.argv[3]),int( sys.argv[4]), int(sys.argv[5]), int(sys.argv[6]))
elif(sys.argv[1] == "level2"):
createDCTableLevel2(sys.argv[2], int(sys.argv[3]),int( sys.argv[4]), int(sys.argv[5]), int(sys.argv[6]))
elif(sys.argv[1] == "leveln"):
createDCTableLeveln(sys.argv[2], int(sys.argv[3]),int( sys.argv[4]), int(sys.argv[5]), int(sys.argv[6]))
#if __name__=="__main__": startTime = time.time(); main()
if __name__=="__main__": startTime = time.time(); test()
#if __name__=="__main__": startTime = time.time(); exp()